Class 417/84 - Rotary nonexpansible chamber-type generating pump

Subclass of Class 417 - Pumps
Definition: Apparatus in which the motive fluid generating pump comprises
No. of patents: 24
Last issue date: 04/26/2011

Number	Title	Issue Date
7931449	Fan A bladeless fan assembly (100) for creating an air current comprises a nozzle (1) mounted on a base (16) housing for creating an air flow through the nozzle (1). The nozzle (1) comprises an interior passage (10) for receivin...	04/26/2011
7303378	Apparatus for delivering fuel from a tank to an internal combustion engine The fuel supply apparatus according to the invention is improved in a simple manner in that it is provided with short fuel lines. According to the invention, the drive line of the suction jet pumps is connected to a pressure line downstream of the fuel supply pump a...	12/04/2007
7125230	Valve with operation parameter set at assembly and pump using same A valve is assembled by telescoping a first body component relative to a second body component until reaching a relative position that corresponds to a predetermined valve operation parameter, such as a valve opening pressure. The first body component is then fixed ...	10/24/2006
7039972	Inflatable device with recessed fluid controller and modified adjustment device The application is related to inflatable devices, and, more specifically, to an inflatable device with a recessed fluid controller and improved adjustment device. In one embodiment, the application is directed to an inflatable device comprising a substantially fluid...	05/09/2006
6981490	Fuel feed apparatus having sub tank and jet pump A fuel feed apparatus including a sub-tank is received in a fuel tank having multiple tank sections. Multiple jet pumps respectively transfers fuel received in the tank sections into the sub-tank. Therefore, even if a fuel amount received in a single tank section de...	01/03/2006
6951208	Fuel delivery system with flow re-director for improved re-priming sequence A fuel delivery system 10 includes a reservoir 12 in a fuel tank 14; a fuel pump 16 in the reservoir for sending fuel at an engine; a jet pump 18 including a venturi tube 22 adjacent to a nozzle 24 to draw fuel from t...	10/04/2005
6857859	Gasket for jet pump assembly of a fuel supply unit A fuel supply unit 10 includes a fuel reservoir 22 for holding fuel, a fuel pump 18 within the reservoir for pumping fuel from the reservoir, a jet pump assembly 16 within the reservoir for drawing fuel from a fuel tank into the reservoir...	02/22/2005
6457945	Fuel feeding module for motor vehicle A fuel feeding module for a motor vehicle has a fuel supply tank, a storage container arranged in the fuel supply tank, a feeding aggregate arranged in the storage container and feeding fuel from the storage container to an internal combustion engine of t...	10/01/2002
6358015	Method and apparatus for improving fluid flow and aerating liquids A fluid flow promoter for increasing and accelerating the flow of fluids through channels, and useful in marine propulsion and aeration of liquids includes 1) an outer shell including an inlet end wall, an outlet end wall, and a solid truncated wall, 2) a...	03/19/2002
6168388	Dual pump system in which the discharge of a first pump is used to power a second pump A system and method that permits fluids, such as petroleum, to be pumped from two separate zones. A submergible pumping system, including a submergible electric motor driving a submergible pump, is deployed in a wellbore. The submergible pump intake is lo...	01/02/2001
6071083	Gas flow director A gas flow director for exhausting gases from chambers, and useful in the operation of operation of gas turbines, jet engines and rockets, as well as vacuum pumps and gas compressors. The gas flow director includes 1) an outer truncated cone including a c...	06/06/2000
5806560	Aircraft fuel transfer pump with auxiliary fuel line scavenge pump An improved fuel transfer pump is provided for relatively high flow transfer of fuel from one aircraft to another during an inflight refueling procedure, wherein the fuel transfer pump includes a jet-type scavenge pump for evacuating residual fuel from a ...	09/15/1998
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
5454532	Aircraft deicer pumping system In an aircraft deicer comprising a reservoir and a pump connected to the reservoir through a first conduit, the pump operating to circulate a fluid contained within the reservoir throughout at least a portion of the deicer, the improvement comprising: a j...	10/03/1995
5091082	Apparatus for diverting fluid-entrained solids around a centrifugal pump The present invention provides an apparatus and method for the separation of solids entrained in fluid streams. The apparatus consists of a pipecross chamber which is divided into two regions by a perforated deflector/separator plate angularly disposed wi...	02/25/1992
4990060	Air pump with secondary air inlet An air pump for inflating an inflatable article includes a multi-stage centrifugal compressing section for inhaling and compressing primary air and a secondary air inhaling mechanism provided downstream of the multi-stage centrifugal compressing section. ...	02/05/1991
4799863	Vacuum flow device A vacuum device comprising a by-pass fan pump, a conduit connecting the inlet of the pump to a member in which pressure is to be reduced and a flow passage formation enabling a stream of air to enter the pump and to by-pass the member. In a preferred embo...	01/24/1989
4431372	Method and apparatus for lubricating turbine bearings A method and apparatus for supplying lubricant to turbine bearings during normal and abnormal operating modes. A pump coupled to the turbine's rotor discharges lubricant during normal turbine operating modes through an ejector from its inlet port through ...	02/14/1984
4242289	Apparatus for the removal of gases, especially air, in fluids An aerator device which includes a submersible unitized electric motor-pump assembly designed by a housing in which is an electric motor having a shaft projecting therefrom and carrying a pump impeller, a second housing having a liquid chamber in which is...	12/30/1980
4212595	Air pump with primary and secondary inlet flow channels An air pump useful in pumping gases containing abrasive particles is disclosed. A housing is constructed with a primary flow channel centered around the pump axis and a secondary flow channel annularly surrounding the primary channel just inside the outer...	07/15/1980
4161448	Combined separator and pump with dirty phase concentrator A pitot pump separates a two-phase fluid from a source into a clean, lighter phase and a dirty, heavier phase by subjecting them to a centrifugal force field in a rotating chamber. A small radius pitot tap of the pump draws some of the lightest phase from...	07/17/1979
4155959	Apparatus for the removal of gases, especially air, in fluids The disclosure is of a device comprising a submersible electric motor-pump assembly, a substantially annular inner chamber closely surrounding said pump and connected to the delivery thereof, a substantially annular outer chamber surrounding said inner ch...	05/22/1979
4139579	Apparatus for introducing air into a liquid including a liquid pump mounted within an aerator pressure chamber An apparatus for introducing air into a liquid including an aerator housing having inner and outer walls defining an inner pressure chamber and an outer air chamber with jet nozzles being carried by the inner walls and opening radially outwardly for direc...	02/13/1979
4019834	Gas extraction apparatus for thermal installations Hot gases from a furnace or the like are fed to a core or inner tube that terminates at its downstream end at the upstream end of a larger-diameter mixing tube. A jacket surrounding the inner tube is formed with a plurality of compartments which are of in...	04/26/1977

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Class 417/84 - Rotary nonexpansible chamber-type generating pump