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A poppet valve or similar flow control device is carried by a thin, .... Flexion or movement of the diaphragm 28 is controlled by pressurized operating air ... For example, one type of basic air-operated pressure regulator 16 is ...
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www.patentstorm.us/patents/5016665/description.html
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A portable, power operated device for forcing a liquid from a syringe through a presterilized microfilter holder operatively associated therewith into a sterile container. ... As air under pressure escapes from the interior of the upright, ... Upon upward movement of piston K, air flows from the ambient atmosphere into...
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www.freepatentsonline.com/3807464.html
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When the driver presses down on the clutch pedal to shift gears, a mechanical lever called a clutch fork and a device called a throwout bearing separate the two disks. ... Conventional power steering uses hydraulic pressure, operated by the pressure or movement of a liquid, to augment that force, requiring less effort by...
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encarta.msn.com/text_761576902__1/Automobile.html
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1 is a schematic view of one embodiment of a mechanical fuel pressure operated device for supplying a fuel/oil mixture. FIG. 2 is a schematic view of a ... Means are provided for guiding movement of the discharge chamber diaphragm 145 between positions minimizing and maximizing the volume of the discharge chamber 149.
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www.patentgenius.com/patent/4381741.html
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A remote actuator means for a pressure-switch operated device such as a conventional latching relay acting as as on-off switch for an electric motor is provided which comprises a remote spring-loaded actuator cap connected to the device to be actuated via an air actuator conduit.
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www.patentgenius.com/patent/4647738.html
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A fluid pressure control circuit includes a fluid pressure device which is operated by a fluid pressure; ... [0005] A fluid pressure control circuit, which includes (a) a fluid pressure device that is operated by a fluid pressure, and (b) a control valve that is connected to the fluid pressure device via a connecting...
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freepatentsonline.com/20040206076.html
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2. A liquid supply system as claimed in claim 1 wherein said switch is actuated directly by movement of said valve device. 3. A liquid supply system as claimed in claim 2 wherein said switch is secured to said valve device. ... Thus water under pressure is available as soon as the tap is opened. Movement of the handle 11 to...
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www.freepatentsonline.com/3700002.html
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A liquid pressure-feed device is provided wherein, even with a third shaft ..... The intake valve 53 is operated for opening by an operating rod 49 of the exhaust valve ... With this upward movement of the liquid discharge valve arm 32, ...
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www.faqs.org/patents/app/20080226469
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Patent application title: Liquid pressure-feed device ... 1. A liquid pressure-feed device comprising a closed vessel, the closed vessel having a working fluid inlet port, a working fluid discharge port, a liquid inlet port and a liquid discharge port, with a float, a change-over valve and a snap mechanism being...
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www.faqs.org/patents/app/20080226470
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