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| Number | Title | Issue Date |
| 7073545 | Inflation and deflation apparatus A tool allowing both the inflation and deflation of air-filled bags such as dunnage bags is disclosed. The tool comprises rotatable controls to easily and safely manipulate both the flow of air into the device and the mode of operation between inflation and deflatio... | 07/11/2006 |
| 6955526 | Vacuum generator with flow switching means for varying suction capacity through a plurality of nozzles The vacuum generator is capable of quickly and securely holding and releasing a work piece and capable of reducing amount of consuming compressed air. In the vacuum generator, a first nozzle and a second nozzle jet compressed air toward a diffuser nozzle. The second... | 10/18/2005 |
| 6910343 | Vapor-compression refrigerant cycle with ejector In an ejector cycle having an ejector, a decompression amount of refrigerant between a gas-liquid separator and an evaporator is adjusted by a differential pressure control valve, so that a pressure increasing amount in a pressure increasing portion of the ejector i... | 06/28/2005 |
| 6904769 | Ejector-type depressurizer for vapor compression refrigeration system In an ejector-type depressurizer, a nozzle arrangement converts pressure energy of refrigerant supplied from a radiator into velocity energy to depressurize and expand the refrigerant, and a pressurizer arrangement mixes the refrigerant discharged from the nozzle ar... | 06/14/2005 |
| 6537036 | Flow amplifying pump apparatus A flow amplifying pump apparatus includes a body member that defines a flow passageway and a compressed air inlet. The body member includes a main segment and an insert segment which extends into a container and rotates relative to the main segment. A cov... | 03/25/2003 |
| 5240384 | Pulsating ejector refrigeration system An ejector for use in a refrigeration system has a mixing tube or diffuser which is partitioned into multiple flow passages. Selectively directing a continuously flowing primary high velocity fluid jet stream, which stream entrains a secondary fluid, cycl... | 08/31/1993 |
| 4781537 | Variable flow rate system for hydrokinetic amplifier A hydrokinetic amplifier 10 having a primary liquid input formed into a primary liquid jet surrounded by a motivating vapor that transfers vapor momentum to the primary liquid jet and accelerates the primary liquid jet through a minimum cross-sectional ar... | 11/01/1988 |
| 4762467 | Method for controlling the pressure ratio of a jet pump In a jet pump, the suction pressure (Po) generated may be kept constant within predetermined limits and times by varying the pressure ratio f(p) providing a prescribed value for the pressure ratio f(p) is determined by computer-aided iterative changing of... | 08/09/1988 |
| 4669505 | Diverter valve A diverter valve for use in a pneumatic conveying system includes a valve plate and a seal plate which have juxtaposed surfaces and are supported for relative movement therebetween so as to enable alignment of an input convey line port in the valve plate ... | 06/02/1987 |
| 4597716 | Air activated vacuum pump A hand held and controlled air activated vacuum pump for testing vacuum systems and controls against atmospheric exudations that adversely affect their performance.... | 07/01/1986 |
| 4595344 | Ejector and method of controlling same An adjustable ejector capable of adjusting the fluid flow conditions resulting from fluid flow through the ejector. Adjustment means are provided for varying the fluid presentation size ratio of the inlet nozzle throat to the mixing throat. The adjustment... | 06/17/1986 |
| 4586873 | Mixer-ejector with jet effect and variable cross-section A mixer-ejector with jet effect incorporates inductor nozzles opening into a venturi profile conduit having in succession a highly convergent suction sleeve, a coupling wall and a diffuser. The coupling wall is a variable-profile venturi part, consisting ... | 05/06/1986 |
| 4453755 | Vacuum cup venturi assembly and blow off silencer In a vacuum cup assembly including a body having a vacuum chamber and a vacuum cup communicating with the vacuum chamber for supporting a workpiece, a venturi jet connected to a source of pressurized air and the vacuum chamber and an air outlet, there is ... | 06/12/1984 |
| 4380418 | Vacuum pressure selection and generation device An aspirator using positive pressure from a suitable source generates a vacuum pressure when the primary source of vacuum pressure, typically the engine intake manifold, prodcuces insufficient vacuum pressure to operate a device such as a road speed contr... | 04/19/1983 |
| 4290446 | Pump/exchanger device Means adapted to receive a supply of compressed air and discharge the compressed air therefrom in a regulated manner via a selected port therein, control means within the means, for use in diverting the flow of the supply of compressed air within the mean... | 09/22/1981 |
| 4261332 | Solar heating systems A solar heating system for a swimming pool and the like is disclosed. The system includes a circulation circuit having a pump by which water is withdrawn from the pool, passed through a filter and returned to the pool. A solar collector assembly is provid... | 04/14/1981 |
| 4073602 | Vacuum producing device A vacuum producing device comprises a venturi unit which functions to produce or stop producing a vacuum after predetermined movement of a surrounding sleeve and air shut off member and includes silencing means for substantially reducing the sound of pres... | 02/14/1978 |
