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| Number | Title | Issue Date |
| 8113791 | Integrated hydrogen recirculation blower for fuel cell vehicle A hydrogen recirculation blower for a fuel cell vehicle includes an ejector integrated with a housing of the blower. An integrated hydrogen recirculation blower for a fuel cell vehicle includes: a blower housing including an inlet and an outlet formed on a top surfa... | 02/14/2012 |
| 6942463 | Combination water pump/air compressor system A combination water pump/air compressor system for performing two separate functions with one unit by providing compressed air and water. The combination water pump/air compressor system includes a piping configuration including a main pipe capable of carrying a com... | 09/13/2005 |
| 6877961 | Vane pump with a bypass valve and passage arrangement for equalizing excess fluid flow through dual suction passages In a housing of a pump apparatus having a flow control valve to discharge a part of excess fluid in a deviated slanting way to a bypass pass 11, a pair of suction paths 19, 19′ is formed opposite to end portions 119, 119′ of the bypass path ... | 04/12/2005 |
| 5474418 | Self-priming centrifugal pump A self priming pump having a pump housing including a suction passage and a discharge passage. A pump chamber with an inlet and an outlet is also provided in the pump housing. A pump impeller is arranged in the pump chamber and has a suction opening oppos... | 12/12/1995 |
| 5458467 | Jet pump and method of operation thereof A pump (10) for providing water from a source to a remote location includes a casing (11) which receives the water through an inlet port (22) which is provided to the remote location through a discharge port (20). An impeller (30) in the casing (11) is ro... | 10/17/1995 |
| 5452701 | Turbine fuel pump with fuel jet An electrically operated fuel pump for automotive vehicles which utilizes a turbine pump rotor operating in an annular pumping channel having circumferentially spaced inlet and outlet ports. The pumping channel has opposed sides with a circumferential arr... | 09/26/1995 |
| 5451139 | Self priming centrifugal A self-priming centrifugal pump includes a cylindrical metal plate case forming a pressure chamber and provided with a suction inlet and a pressure outlet. The pressure chamber has a bladed impeller with a peripherally arranged diffuser, an axial ejector ... | 09/19/1995 |
| 5150586 | System and process of compressing miscible fluids A system and process of parallel compressors for compressing fluids miscible with oil. The present invention utilizes parallel-coupled compressors, wherein each compressor comprises a crankcase chamber, discharge chamber, suction chamber, and ejector whic... | 09/29/1992 |
| 5100289 | Self-priming centrifugal pump The present invention relates to a self-priming centrifugal pump which includes a stator case with a delivery port and an outflow port and a radial-centrifugal bladed impeller. An ejector is provided inside the case and has an induction chamber which is c... | 03/31/1992 |
| 4938664 | Oil reclaim system In a centrifugal compressor having an ejector for reclaiming the oil which tends to accumulate in a lower portion of the suction housing, the ejector high pressure line is provided with its inlet at the bottom of the collector such that, in addition to pr... | 07/03/1990 |
| 4820131 | Venturi nozzle assembly construction in a shallow well pump casing A shallow well centrifugal pump having a casing forming a fluid flow cavity and having a fluid intake end with a threadless bore and a suction inlet communicating with the cavity through the bore, and a diffuser disposed in the casing cavity and spaced fr... | 04/11/1989 |
| 4767281 | Centrifugal pump system with inlet reservoir Pump system includes a centrifugal pump having an inlet reservoir connected to the upstream end thereof for initially receiving the vapor/liquid mixture entering the system to allow air or vapor to separate from the liquid. Below the liquid level in the r... | 08/30/1988 |
| 4627792 | Rotating flow pump with a feed pump unit formed as an ejector A rotating flow pump such as a centrifugal pump is provided with a feed pump unit formed as an ejector. The feed pump unit comprises an inlet portion, a nozzle, and a diffuser arranged in succession, and the diffuser is connected to the inlet opening of t... | 12/09/1986 |
| 4621981 | Pump improvement A pump assembly having an impeller for pumping a liquid from an inlet to an outlet, said impeller being driven by a motor, and mechanical seal means comprising a pump seal and a motor seal with a seal leakage chamber therebetween, and ejector means for in... | 11/11/1986 |
| 4449892 | Pump with rotary sonic pressure wave generator A sonic pressure wave operated pump is provided with a rotary sonic pressure wave generator which impactingly generates sonic pressure waves of special character in a column of liquid contained in the pump with the generated sonic pressure waves being tra... | 05/22/1984 |
| 4304526 | Well system and flow control tank A well system comprising a pump having an inlet and an outlet and a combined pressure regulating valve and pressure flow control tank. The tank comprises a hollow container having a diaphragm therein overlying an inlet connected to the outlet of the pump ... | 12/08/1981 |
| 4294573 | Submersible electrically powered centrifugal and jet pump assembly A petroleum well has a plurality of centrifugal pump stages, a jet pump stage, and an electrical drive motor. A recirculated portion of the output from high pressure stages of the centrifugal pump provides power fluid for the jet pump, and the jet pump as... | 10/13/1981 |
