| 单词 | air compressor |
| 例句 | Supplies were loaded onto trucks and flatbeds, and orders were called in for air compressors and movable work platforms. Frightful's Mountain 2001-05-21T00:00:00Z No sooner was it up than a diesel truck with air compressors pulled onto the bridge. Frightful's Mountain 2001-05-21T00:00:00Z If you have access to an air compressor, put on goggles and blow debris out of the cracks. How to restore an old rocking chair 2016-07-29T04:00:00Z He uses fiberglass screen and wide-crown staples set with an air compressor. How to repair a crumbling flagstone patio 2016-06-17T04:00:00Z Steven Spielberg’s film captures the terror in thunderous approaching footsteps, in breathy sniffs from a nose as powerful as an air compressor. ‘Jurassic Park 3D’: Dinosaurs, and Jeff Goldblum, still rule 2013-04-04T00:06:42Z He powered his version with an air compressor bought with his confirmation money. ‘Inside Out,’ Pixar’s New Movie From Pete Docter, Goes Inside the Mind 2015-05-20T04:00:00Z I hear their laughter over the sound of the air compressor for the nail gun. When a Boyfriend Joins the Marriage 2018-12-07T05:00:00Z They typically consisted of renderings of a futuristic city in colored resin covered by bell jars, which were connected by hoses to gas tanks or air compressors. Review: Mike Kelley Uncorks Superman’s Kandor City in a Bottle 2015-09-10T04:00:00Z He worked on cars using a generator for light and a portable air compressor to power his tools. Under the 10 Freeway: Immigrant businesses scraped by while landlord dodged Caltrans 2023-11-15T05:00:00Z Another, called a McKibben actuator, is pneumatically driven and requires an air compressor to actuate. Shape-shifting fiber can produce morphing fabrics 2023-10-26T04:00:00Z She pointed to Redmond police, who have recently used GPS trackers fired by car-mounted air compressors to track fleeing vehicles and arrest the occupants later. Effort to roll back limits on WA police pursuits faces challenges in Legislature 2023-02-20T05:00:00Z A built-in air compressor comes in handy and a camera monitoring system keeps valuables secure. Edmunds: Ford Lightning vs Rivian R1T 2022-10-26T04:00:00Z Greater Anglia updated information on its website, saying: "A bird strike has caused a fault with the air compressor on the train." Norwich train passengers stuck three hours after bird strike 2022-09-23T04:00:00Z Walking into a silent hatchery, normally abuzz with flowing water and air compressors, is a challenge, said Nevada Department of Wildlife supervising fish biologist Brandon Singer. On the Colorado River, growing concern for trout and chub 2022-09-17T04:00:00Z “An air compressor malfunction resulted in smoke emitting from the equipment,” Nantel told the outlet. Amazon workers say they weren’t all alerted as smoke spread through a warehouse 2022-03-27T04:00:00Z Just a few minutes earlier, Collins turned off a machine whirring like an air compressor that’s perched at the edge of his bathroom sink. The ‘Mask Nerd’ wants you to be safe 2022-03-07T05:00:00Z To ensure your tires are at the right pressure, you’ll need a tire pressure gauge and an air compressor, just in case. Common car maintenance tasks and how to perform them | Provided by CarLotz 2021-12-20T05:00:00Z Strange hardware multiplied in the tool shed: chain wrenches, foul glues, an air compressor as bulbous and blaring as an opera impresario. The seasons of an accidental pandemic hobby farmer 2021-12-03T05:00:00Z That bed features an electric tailgate, and an optional air compressor to “air down” tires for off-road exploration and refill them for the ride home. Rivian’s Electric Truck Is a Cutie and a Beast 2021-11-25T05:00:00Z He allegedly told investigators he used the air compressor hose to "finish off" his brother, according to KWTV-DT. Oklahoma boy, 13, admits to killing brother, 16, and setting body on fire, reports say 2021-06-18T04:00:00Z Officials said that employees were transferring gasoline from one metal drum to another using an air compressor. Cause of Cornelius ethanol blaze determined 2021-03-17T04:00:00Z Armed with torches and breathing pipes attached to a diesel-powered air compressor, the group operates at night when the creatures emerge from under rocks. Sea-cucumber divers off Liberia risk danger to feed a hunger in China 2021-03-16T04:00:00Z The maker of air compressors and power tools beat Wall Street’s fourth-quarter profit forecasts. Nautilus, Cracker Barrell fall; Ingersoll, Extra Space rise 2021-02-23T05:00:00Z That the air compressor at the surface doesn’t fail. For Nicaragua’s Lobstermen, Deadly Dives Are All Too Common 2021-01-24T05:00:00Z The braces connect to a small backpack which houses the lithium-ion batteries, the air compressor, and the computer. The best snowboarding gadgets for 2020 2020-10-26T04:00:00Z He was camped with his family but took the time to pull my flat, install the donut spare and inflate it with a portable air compressor. Rant and Rave: Mechanic helps reader with flat tire 2020-07-29T04:00:00Z Hyundai says the problem happens when an air compressor used to inflate tires is plugged into the socket for a long time. Hyundai recalls 272K US cars; electrical outlet can overheat 2020-07-15T04:00:00Z Most of the time he uses a yellow hose attached to an air compressor rather than scuba tanks to breathe during tank cleaning and maintenance. In coronavirus lockdown, Union Station's aquarium loses its fans but not its keepers 2020-05-06T04:00:00Z Holding down one of the buttons on the bike’s display triggers the rumbly air compressor, and presto: a perfectly aligned suspension. Civilized Cycles is an electric bike full of surprises 2020-02-14T05:00:00Z They don’t sense shape, or they require heavy motors or air compressors to put pressure on the users’ hands to do so. Watch a lightweight glove allow users to ‘feel’ objects in virtual reality 2019-07-18T04:00:00Z Despite its all-American image, the RV industry relies on imports for everything from air compressors and appliances to bedding fabrics and the LED light strings that have become a popular interior feature. Trump's tariffs trip up the all-American RV industry 2019-07-18T04:00:00Z The Day reports the man became injured while trying to refuel a running air compressor at the site in Pawcatuck Wednesday afternoon. Worker badly burned at construction site 2019-01-03T05:00:00Z With air compressors made from 6-horsepower motors and beer kegs, divers began scouring the ocean floor for sea cucumbers. How a seafloor blob became Mexico’s ‘black gold’ 2018-11-09T05:00:00Z With air compressors made from six-horsepower motors and beer kegs, divers began scouring the ocean floor for sea cucumbers. How a Seafloor Blob Became Mexico’s ‘Black Gold’ 2018-10-05T04:00:00Z There’s a security and fire-prevention system, battery jump boxes and air compressors, even a separate washing/detailing garage. Former church now a place for auto buffs 2018-06-02T04:00:00Z Beohm said the maintenance vehicle contained gas, an air compressor, oxygen tanks and welding equipment. Police: Van blast at trucking company kills 1, injures 1 2018-05-09T04:00:00Z He quickly unplugged expensive equipment in his shop, such as a computer and air compressor, to prevent any damage. Power Is Back in Puerto Rico, but the Frustration Remains 2018-04-19T04:00:00Z There is currently no federal energy standard for air compressors, uninterruptable power supplies or portable air conditioners, according to the states' lawsuit. Judge orders Trump administration to put energy efficiency standards into effect 2018-02-15T05:00:00Z He flicks a series of switches; the fuel cell and air compressor burble into life, creating a great whooshing noise. 'It's a no-brainer': are hydrogen cars the future? 2018-01-20T05:00:00Z “Instead of dozens of air compressor units, we only need one,” says Dougherty. Top-of-the-market condos, with a top-of-the-market restaurant downstairs 2017-09-27T04:00:00Z “I don’t want to think of how much I lost,” he said, before citing $3,900 for a new tire balance machine, $2,000 for a air compressor and another two grand on air tools. 8 months later, Richwood residents remember flooding 2017-02-25T05:00:00Z More people congregated at the street café, while onlookers gathered near the air compressor. Edward Burtynsky’s Epic Landscapes 2016-12-11T05:00:00Z City officials used a helicopter throughout the day to airlift jackhammers, an air compressor and other equipment to the site below steep cliffs on the northwestern part of the bay. Jackhammers arrive at Bay Boys' beach fort on the Palos Verdes Peninsula's Lunada Bay 2016-11-28T05:00:00Z Investigators have not been able to show conclusively that it caused the fire, though they did rule out an air compressor plugged into the same power outlet. Samsung owners furious as company resists paying up for Note 7 fire damage 2016-10-19T04:00:00Z In a field outside Moscow, workers armed with little more than green fabric and air compressors are creating an imposing weapon. A new weapon in Russia’s arsenal, and it’s inflatable 2016-10-12T04:00:00Z Authorities also said they found an air compressor apparently used to launch packages. Mexican police: Van with cannon used to shoot drugs to US 2016-09-21T04:00:00Z According to a California Highway Patrol report, the bus door was equipped with a faulty air compressor and did not lock properly. Family of man who fell from party bus to receive $4 million 2016-04-27T04:00:00Z Tethered full time to an air compressor the size of a dishwasher, which powered his man-made heart, Dr. Clark suffered convulsions, kidney failure and memory lapses before succumbing to the inevitable. Artificial Hearts Ticking Along Decades After Jarvik-7 Debate 2016-03-20T04:00:00Z In "Nebraska" I had a similar moment, where Bruce Dern's character had his air compressor stolen. 'Nebraska' screenwriter Bob Nelson talks about his Oscars moment and new film, 'The Confirmation' 2016-03-17T04:00:00Z Early field tests of hand-held air compressors used in conjunction with traditional control methods reduced weed waste in vegetable plots by 67 to 97 percent, according to early results. EXCHANGE: ‘Weed blaster’ technology a boost organic farming 2016-03-09T05:00:00Z The Vietnamese crewmen hold rubber hoses in their mouths attached to an onboard air compressor, strap lead weights around their waists, then dive, often deeper than a hundred feet. Palau vs. the Poachers 2016-02-17T05:00:00Z And sometimes it’s nice to just walk among the store’s aisles, fantasizing how your life would be different if you had your own 150 psi air compressor and a nice set of impact wrenches. Visiting my dad, the chairman of the pegboard 2016-01-31T05:00:00Z El Segundo High School's Hypereagles, hailing from just outside Los Angeles, spent time working on the air compressors and other systems that would propel the pod to close to 800 mph. Forget the School Bus, High Schoolers Dream of Hyperloop 2016-01-29T05:00:00Z The patient was tethered to an air compressor that sat at his bedside and made a perpetual thump-thump-thump-thump sound so loud it could be heard from across the room. Inside the 50-year-quest to build a mechanical heart 2015-11-04T05:00:00Z Specific examples include a patient simulator lab for nursing students, dental equipment, air compressors for career and technical programs and transportation and heavy equipment simulators. Recent editorials published in Iowa newspapers 2015-09-07T04:00:00Z Kobra's team of five artists, three from Brazil and two from Minnesota, will use boom lifts and air compressors as they work on the mural over the next two weeks. Downtown Minneapolis building to get giant mural featuring portrait of Bob Dylan 2015-08-26T04:00:00Z “I put a video of the air compressor on my Facebook page, and within a day, it had 7,000 views.” Trying to conserve water? Here's how to pre-rinse dishes with air 2015-06-12T04:00:00Z Neighborhoods teemed with bulldozers and paving machines and rang with a cacophony of nail guns and air compressors. Vegas Water Chief Preached Conservation While Gambling on Growth 2015-06-02T04:00:00Z Instead of brushes or clay, he uses an industrial air compressor. Carvers work to restore stone on Minnesota Capitol 2015-04-27T04:00:00Z Teams are permitted to use no more than two air compressors, power cords, or water hoses. Inside the surprisingly dark world of Rube Goldberg machines 2015-04-22T04:00:00Z The expansion will allow the company to meet increased demand for air compressors and braking components for trucks, buses and trailers. Automotive supplier creating 50 new jobs in N. Charleston 2015-03-25T04:00:00Z Los Angeles area restaurants, including Faith & Flower and the Montage Beverly Hills, have made inquiries regarding the air compressor. Trying to conserve water? Here's how to pre-rinse dishes with air 2015-06-12T04:00:00Z In a smaller hole nearby was an electrical power generator that operated its lights, an air compressor and a sump pump. Toronto Police Say Tunnel Mystery Is Solved 2015-03-02T05:00:00Z Carl Kabat attached a jackhammer to the air compressor and started chipping away pieces of the concrete silo door, while the others attacked equipment at the site with sledgehammers and wire cutters. Nuns and Nuclear Security 2015-02-28T05:00:00Z Prosecutors argued that Wodyga’s negligence in maintaining an air compressor and air filter led to the death of Levi Adams, 32, of Leawood, Kansas. Jury: Negligent homicide conviction in Alaska diving death 2015-01-17T05:00:00Z Wodyga’s failure to properly maintain an air compressor that pumped oxygen to divers played a significant role in the death, Assistant District Attorney Ben Hofmeister said in his opening statement. Trial begins for Ketchikan fisherman charged in diver death 2015-01-14T05:00:00Z Grasping for a solution, Cox stumbled on an innovative plan to use an air compressor to cut back on the restaurant’s dishwashing. Trying to conserve water? Here's how to pre-rinse dishes with air 2015-06-12T04:00:00Z They say stolen items included contractor tools such as air compressors, power tools, saws, drills and chain saws. Mesa man accused in series of northern Arizona burglaries 2015-01-09T05:00:00Z The air compressor and the jackhammer died after half an hour. Nuns and Nuclear Security 2015-02-28T05:00:00Z The air compressor Wodyga used was marked as not for human use, prosecutors said. Jury: Negligent homicide conviction in Alaska diving death 2015-01-17T05:00:00Z Some sites are too remote for an electrical hookup to power air compressors, but the infrared cameras are being used throughout the company’s facilities. Natural Gas: Abundance of Supply and Debate 2014-12-22T05:00:00Z “We originally bought the air compressor to clean out the stoves. We stored it under the dishwasher. As soon as I put it in the kitchen, light bulbs started going off,” Cox said. Trying to conserve water? Here's how to pre-rinse dishes with air 2015-06-12T04:00:00Z According to a California Highway Patrol report, the door was equipped with a faulty air compressor and did not lock properly. Party bus owner, firm charged in 2013 death of passenger 2014-09-15T04:00:00Z At the practice site, an air compressor mounted on the back of a four-wheeler inflates the balloons, which her mother now buys in bags of 100. Clearwater teen is quick study in mounted shooting 2014-09-08T04:00:00Z “With all the locomotives shut down, the air compressor no longer supplied air to the air brake system,” the report said. Canadian runaway oil train disaster blamed on ‘weak safety culture,’ poor oversight Mechanics drink beer and enjoy the hum of air compressors and the smell of exhaust. Dirt tracks in small towns offer ‘one of the most pure forms of auto racing’ Sierra Mar began using the air compressor in late April for the initial cleaning of the dishes rather than spraying them with a water hose. Trying to conserve water? Here's how to pre-rinse dishes with air 2015-06-12T04:00:00Z Authorities say the grease-covered bundles were put into dozens of plastic containers and then placed inside a heavy-duty metal air compressor. 58 pounds of crystal meth seized near Holbrook 2014-06-13T04:00:00Z An underwater “bubble curtain” attached to an air compressor produces bubbles that soften the sound waves of hammers striking piles — long steel tubes used to anchor the bridge’s supporting columns. Imperiled Sturgeon Watched in Tappan Zee Bridge Construction Zone 2014-05-29T04:00:00Z The company rents equipment such as air compressors and tools, earthmoving equipment and power generators, forklifts and material handling, pumps, and trucks and trailers. Here’s Why Everybody Loves Hertz All of a Sudden 2014-03-18T07:16:03Z To store electricity, an air compressor pushes high-pressure air inside an underground cavern, such as a vacant salt dome, or a depleted gas well. Guest Post: Can we store electricity to transform the grid? 2012-12-19T17:45:03.207Z Other measures for quieting include adding layers of sound-absorbing tiles to the walls of noisy rooms as well as mounting engines, pumps, air compressors, and other types of reciprocating machinery on vibration isolators. Project Seeks to Map and Reduce Ocean Noise Pollution 2012-12-10T18:52:29Z But in Vietnam, Mr Caillabet said some people killed the snakes by inflating them with air compressors. Concerns raised over python trade 2012-11-28T02:24:16Z But in Vietnam, Olivier Caillabet says some people killed the snakes by inflating them with air compressors. Concerns raised over python trade 2012-11-28T02:24:16Z The crew also shot plates of the gooey combination from an air compressor and filmed the resulting splats and splutters in slow motion. Geology Porn: The Science and Art of Bjork's "Mutual Core" Music Video 2012-11-15T20:45:03.533Z Besides the apparatus in the room, he employed an air compressor, which was driven by an electric motor. The inventions, researches and writings of Nikola Tesla With special reference to his work in polyphase currents and high potential lighting 2012-03-28T02:00:22.660Z That equipment list might include extra pumps, portable diesel generators for recharging batteries, additional battery packs and hoses as well as fuel and diesel-powered air compressors, among other things. How Safe Are U.S. Nuclear Reactors? Lessons from Fukushima 2012-03-09T14:15:00.217Z An air compressor of any ordinary construction is connected with the reservoir by a pipe, in which two stopcocks are placed. Scientific American, Vol. XXXVII.?No. 2. [New Series.], July 14, 1877 A Weekly Journal Of Practical Information, Art, Science, Mechanics, Chemistry, And Manufactures 2012-01-05T03:00:29.743Z No air compressor is used in this system. Motor Truck Logging Methods Engineering Experiment Station Series, Bulletin No. 12 2011-09-10T02:00:27.273Z A system of pneumatic transmission was invented, by which a carrier is caused to travel through a tube by the agency of an air current, created therein by an air compressor, blower, or similar device. Inventions in the Century 2011-07-20T02:00:14.643Z In the 1980s, the store sold a man a $1,200 air compressor for a little less than 4 ounces of gold, recalled Bert Smith, one of the owners, who is now 91. Utah Law Makes Coins Worth Their Weight in Gold (or Silver) 2011-05-30T03:50:10Z When the scientists used an air compressor to force saliva tainted with bacteria into clarinets, some microbes again lasted for a few days. Don't Share That Clarinet 2011-05-20T20:38:00Z An air compressor was stolen from a residence. Fairfax County crime report 2010-10-28T04:00:00Z Power tools and an air compressor were stolen from two trailers at a business. Anne Arundel County and Howard County crime report 2010-08-26T04:00:00Z Emerson said it will continue to run a motors business that powers air compressors, and its Leroy-Somer European motors business. Nidec to buy Emerson unit, yen drives overseas M&A 2010-08-18T14:44:00Z An air compressor, an extension cord, a hammer and a saw were among property stolen from several storage sheds. Anne Arundel County crime report 2010-07-29T04:00:00Z A circular saw, a flashlight, a vacuum, and an air compressor were among property stolen from a business entered by removing an air-conditioning unit from the front window of a storage unit. Montgomery County crime report 2010-07-29T04:00:00Z An air compressor and tools were stolen from a vehicle. Fairfax County crime report 2010-06-03T04:00:00Z A table saw, an air compressor, a nail gun and a sander were stolen from a vehicle. Fairfax County crime report 2010-05-20T04:00:00Z An air compressor and construction materials were stolen from a vehicle. Fairfax County crime report 2010-03-11T05:00:00Z The river furnishes good water-power, and the town has various manufactures, including stoves and ranges, boilers, bar iron, rivets, steel castings, rock drills, air compressors, silk hose and underwear, organzine or thrown silk, and overalls. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 6 "Dodwell" to "Drama" Each bell was fitted with loud-sounding telephonic apparatus, by means of which the occupants could communicate either with the men attending the crane or the men looking after the air compressors at the surface. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 5 "Dinard" to "Dodsworth" Aft of the engine room came the gasoline tanks, the storage batteries, and some minor machinery, such as an ice-making plant, air compressor, and so on. The Boy Scouts for Uncle Sam A small pipe, known as the nozzle, is inserted at the inlet end of the piping, where the grain is taken in, and communicates with the air compressor at the other end. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 3 "Convention" to "Copyright" The low whine assaulting his ears was that created by the air compressors that fed the jets that drove the waters through the rim. Where I Wasn't Going These tenders are equipped with air compressors by means of which the air tanks of submarines can be refilled. Aircraft and Submarines The Story of the Invention, Development, and Present-Day Uses of War's Newest Weapons The cost of an ordinary diving bell, including air compressor, telephonic apparatus and electric light, is from �600 to �1500, according to size. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 5 "Dinard" to "Dodsworth" N. Auxiliary petrol engine driving dynamo, bilge pumps, fire pumps and air compressor. Submarine Warfare of To-day How the Submarine Menace was Met and Vanquished, With Descriptions of the Inventions and Devices Used, Fast Boats, Mystery Ships The machinery needed involves an engine or motor and an air compressor, the latter taking the place of the ordinary pump. Rural Hygiene The engine room equipment will consist of two 175-ton high speed compressors, direct connected to two Simple Condensing Una-flow Engines; also two generators, two cooling tower water pumps, two air compressors, switchboard, etc. Manufacturing Cost Data on Artificial Ice Still another system using pressure tanks is more complete than either of the others, comprising engine, pump, air compressor, a water tank, and also an air tank. The Home Medical Library, Volume V (of VI) Two sets of air compressors are fitted on the barge—one set for supplying air to the bell, the other set for working a pneumatic rock drill inside the bell. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 5 "Dinard" to "Dodsworth" The captain now arose, followed by the boys, and marched through the narrow passageway toward the lieutenant who was leaning over one of the air compressors. The Boy Volunteers with the Submarine Fleet The air was too rarefied to permit breathing outside, though my little air compressors were automatically maintaining the proper density within the shell. The Airlords of Han The engine room equipment will consist of two 100-ton high speed compressors, direct connected to two Simple Condensing Unaflow Engines; also two generators, two cooling tower pumps, two air compressors, switchboard, etc. Manufacturing Cost Data on Artificial Ice Oh, yes, that had to be done in the city, where they have powerful air compressors. Pharaoh's Broker Being the Very Remarkable Experiences in Another World of Isidor Werner The air compressors were taken temporarily from those in use in the repair shops, no special machines being bought for the purpose. Concrete Construction Methods and Costs It seated on a plastic seal, and the little air compressor at his back began to hum, ready to turn the thin wisp of Mars' atmosphere into a barely breathable pressure. Police Your Planet She 's going to be more than that when we get a few portable air compressors in here and start at this thing in earnest with pneumatic drills. The Cross-Cut Bud, meanwhile, clawed a handhold on a wire screen enclosing an air compressor and pulled himself to his feet. Tom Swift and The Visitor from Planet X A. By an air compressor on the locomotive. The Traveling Engineers' Association To Improve The Locomotive Engine Service of American Railroads Three cars were fitted up, one for each gang, each car being equipped with a motor-driven air compressor, water for cooling the compressors being obtained from the fire plugs along the route. Concrete Construction Methods and Costs For the more remote pumps, air will be supplied by smaller air compressors located within passenger stations. The New York Subway Its Construction and Equipment Messrs. Farnum and Pollard, too, were soon below, for they wanted to observe the work of the air compressors and the dynamos. The Submarine Boys on Duty Life of a Diving Torpedo Boat The Seine supplies an ample quantity of water, but not in a condition either for feeding the boilers, for condensation, or for the air compressors. Scientific American Supplement, No. 803, May 23, 1891 Q. What is the duty of the air compressor? The Traveling Engineers' Association To Improve The Locomotive Engine Service of American Railroads Electricity for operating the air compressor motors was taken from the trolley wire over the tracks. Concrete Construction Methods and Costs It is difficult to equalize power and resistance in air compressors with long strokes. Scientific American Supplement, No. 799, April 25, 1891 We then erected a machine shop, in which we placed our electric engines and air compressors, and built a railroad connecting with the main line, and after we had done that we started the tunnel. Eurasia We are going to put in an air compressor in our engine-room, and use pneumatic tools in the forest for felling and lopping. The Pit Prop Syndicate It is obvious that the theoretically perfect air compressor is a direct-acting one with a conical air cylinder, the base of the cone being nearest the steam cylinder. Scientific American Supplement, No. 799, April 25, 1891 One of the air compressors was exceptionally large and at times operated four drills. Concrete Construction Methods and Costs It must not be inferred from the preceding remarks that the designer of an air compressor may neglect the question of clearance. Scientific American Supplement, No. 799, April 25, 1891 Strange to say, the American practice seems to be to attach enormous fly wheels to duplex air compressors. Scientific American Supplement, No. 799, April 25, 1891 Its construction is such that it fills the clearance spaces to a greater extent than is usual in air compressors. Scientific American Supplement, No. 799, April 25, 1891 The best air compressors give a result about midway between the isothermal and the adiabatic, and the net loss of power directly due to clearance is so small as to be practically unworthy of consideration. Scientific American Supplement, No. 799, April 25, 1891 For the drilling and blasting the old rail had been left in place to carry the air compressor car and the cover car. Concrete Construction Methods and Costs It is obvious that cost of construction and maintenance have much to do with the commercial value of an air compressor. Scientific American Supplement, No. 799, April 25, 1891 Loss in capacity of air compressors by clearance is in direct proportion to the pressure. Scientific American Supplement, No. 799, April 25, 1891 The first record that we have of the use of an air compressor is at Ramsgate Harbor, Kent, in the year 1788. Scientific American Supplement, No. 799, April 25, 1891 Even at the present time some air compressor manufacturers admit water through the inlet valves into the air cylinder, not so much for the purpose of cooling as to fill up the clearance space. Scientific American Supplement, No. 799, April 25, 1891 We are quite safe in saying that the element of time alone in the stroke of an air compressor could not possibly effect a saving of more than half of this, or 5½ per cent. Scientific American Supplement, No. 799, April 25, 1891 The first advantage is by far the most important one, and is really the only excuse for water injection in air compressors. Scientific American Supplement, No. 799, April 25, 1891 Long-stroke air compressors are evidently objectionable on the basis of greater expense of construction. Scientific American Supplement, No. 799, April 25, 1891 In the cylinder of an air compressor the energy of the piston is converted into molecular motion in the air and the result, or the equivalent, is heat. Scientific American Supplement, No. 799, April 25, 1891 That pressure may be an active one, as in the case of the piston of an air compressor; or passive, as with the walls of a receiver or transmission pipe. Scientific American Supplement, No. 799, April 25, 1891 In other words, a duplex air compressor would be identical with a duplex steam engine were it not for the fact that air cylinders are connected to the steam piston rods. Scientific American Supplement, No. 799, April 25, 1891 |
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