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Class 415/55.3 - Means extends parallel to passage


Subclass of Class 415 - Rotary kinetic fluid motors or pumps
Definition: Device wherein the working fluid* directing or guiding
No. of patents: 34
Last issue date: 05/08/2012


NumberTitleIssue Date
8172500Turbine, in particular for an exhaust-gas turbocharger, and exhaust-gas turbocharger
The invention relates to a turbine, in particular of an exhaust-gas turbocharger, comprising a turbine rotor which is supported rotatable in a housing, and to which at least one guide vane apparatus forming a radial inlet channel for a medium driving the turbine rot...
05/08/2012
7329107Oil supply structure for slider of orbiting vane compressor
Disclosed herein is an oil supply structure for a slider of an orbiting vane compressor capable of providing effective lubrication to reciprocating surfaces of the slider reciprocating in an annular space of a compressor cylinder. The oil supply structure comprises ...
02/12/2008
7264439Evacuating device
A device (1), for evacuating a chamber to pressures in the high vacuum range includes a suction-side vacuum pump (2) and an atmospheric-pressure-side vacuum pump (3). The suction-side vacuum pump (2) is a mechanical kinetic vacuum pump wi...
09/04/2007
7156625Fuel pump with filter-absent safety valve and universal inlet and outlet
Fuel pump 10 includes a filter 42 that rests on ledge 48, between the pump housing 12 and inlet cap 56. Filter detector 50 has a valve engager stem 62 for opening the check valve 58 and bearing feet 52 t...
01/02/2007
7008174Fuel pump having single sided impeller
A fuel pump is provided having improved efficiency by lowering the wet circle index of the pump while maintaining robust axial clearances to meet the demands of an automotive application. One embodiment includes a fuel pump for pressurizing fuel for delivery to an e...
03/07/2006
6974301Self priming regenerative pump
A self priming regenerative pump comprising an impeller with a plurality of vanes formed on its periphery, casings 1a and 1b which house said impeller in a rotatable manner and a pressurizing passage consisting of a gap between said casin...
12/13/2005
6974302Turbine fuel pump
A turbine fuel pump includes an impeller having blades, each including a linear blade portion extending linearly in the radial direction of the impeller and a curved blade portion extending circularly curvedly from the head of the linear blade portion to the forward...
12/13/2005
6942446Feed pump
The invention relates to a feed pump (2) that is configured as a side-channel pump with a plurality of identically designed feed chambers (6, 7) with outlet channels (22, 23) that are disposed opposite one another, thereby eliminating the radial...
09/13/2005
6932562Single stage, dual channel turbine fuel pump
A single stage, dual channel turbine fuel pump for use in a vehicle fuel delivery system, generally including a lower casing, an upper casing, an impeller and a motor. Both the lower and upper casings have a pair of concentric, annular grooves formed on their surfac...
08/23/2005
6676367Regenerative pumps
A regenerative fluid dynamic machine, typically a blower or compressor, includes an impeller (1) with fixedly attached blades (6) which may be radial or curved in a general convex fashion facing forward in the direction of turning. The impeller is enclose...
01/13/2004
6126387Fuel pump having low operating noise
A pump housing PH surrounding an impeller 21 comprises an inlet port 19 and an outlet port 20 disposed in a spaced-apart relationship from each other in a direction of rotation of the impeller 21, a pump passage 23 corresponding to vane grooves 22 of the ...
10/03/2000
6071071Side-channel fan, in particular for supplying combustion air in an independent heater of a motor vehicle
A side-channel fan (1), especially for feeding combustion air in a parking heater (2) of a motor vehicle, with a fan body part (3) in an axial connection to an impeller (4), wherein the fan body part (3) has an inlet channel (5) and an outlet channel (6) ...
06/06/2000
6019571Side channel compressor
Side channel compressor, in which the gap (7) existing between the rotor (2) and the housing parts (1) surrounding the rotor (2) is sealed off using a sealing tape (8) introduced into a peripheral groove (9) provided in the corresponding wall regions of t...
02/01/2000
6017183Flow pump
In connection with a flow pump, particularly for the conveying of fuel from a fuel tank of a motor vehicle, with a pump chamber embodied in a pump housing which is bordered by two radially extending lateral walls (12), spaced apart from each other, and a ...
01/25/2000
6012896Process for producing a connection of an insert part to a tubular part by means of flanging
The insert part (12) is introduced into the tubular part (10) from one end and comes to butt, in the direction of the longitudinal axis (11) of the tubular part (10), against a stop (24). At its end into which the insert part (12) is pushed, the tubular p...
01/11/2000
5964573Housing for a side channel compressor
The invention relates to a housing consisting of two housing halves for a side channel compressor. The strength of such a housing can be appreciably increased in that the front wall (3) of each housing half (1) and (2) has formed on it at least two rings ...
10/12/1999
5921746Fuel pump chamber with contamination control
An electric-operated fuel pump (20) has a vaned impeller (28, 28') that is disposed within a pumping chamber (27) for rotation about an axis (21). The pumping chamber has a main channel (42) extending arcuately about the axis to one axial side of the impe...
07/13/1999
5464319Regenerative pump with an axially shifting working fluid chamber
In a peripheral pump with an impeller with a plurality of vanes and a pump chamber, the impeller has a ring-shaped supply passage in each limiting wall, and supply passages are connected over a periphery of the impeller. A suction opening is formed in one...
11/07/1995
5449269Aggregate for feeding fuel from a supply tank to internal combustion engine of motor vehicle
An aggregate for feeding fuel from a supply tank to an internal combustion engine of a motor vehicle has a fluid pump having an impeller with a plurality of vanes distributed over its periphery on its both end surfaces, elements forming a pump chamber in ...
09/12/1995
5449270Tangential flow pumping channel for turbomolecular pumps
The present invention relates to turbomolecular pumps comprising one or more tangential flow pumping stages in addition to axial flow pumping stages, so as to raise the pump exhaust pressure up to the atmospheric pressure, wherein at least one tangential ...
09/12/1995
5248223Fuel pump with anti-reversion inlet
A centrifugal fuel pump with a baffle disposed between a fuel inlet and an impeller of the pump. The baffle overlies the inlet opening and substantially prevents the impeller from producing a backflow of fuel through the inlet. The baffle also directs inc...
09/28/1993
5160249Circumferential flow type fuel pump
A circumferential flow type fuel pump has a circumferential fuel flow passage provided around an impeller and a gas discharging hole formed in the inner wall of the fuel flow passage in such a manner that the fuel flow passage is communicated with the out...
11/03/1992
5024578Regenerative pump with two-stage stripper
A regenerative rotary pump in an automotive fuel pump assembly. The rotary pump has a disc-shaped impeller in a circular cavity of a housing, vanes around the circumference of the impeller separated by pockets, a donut-shaped pumping chamber in the housin...
06/18/1991
5020969Turbo vacuum pump
Since a peripheral-flow pump according to the present invention has a peripheral-flow impeller having a cylindrical staircase shape whose outer diameter increases in one direction only like a staircase, a stator, which conventionally has been of a complic...
06/04/1991
4978276Pump stage for a high-vacuum pump
A high-vacuum pump includes a plurality of pump stages, each of which has a rotor and a stator. In one of the pump stages, either the rotor or the stator is provided with a structure that effects the gas conveying includes radially extending webs whose pi...
12/18/1990
4874302Scroll compressor with oil feeding passages in thrust bearing
A scroll type compressor, wherein the oil feeding passage of the thrust bearing to be interposed between the orbiting scroll member and the bearing support is so constructed as to having its terminal part within a plane of the thrust bearing, and a part o...
10/17/1989
4334821Regenerative rotodynamic machines
In a regenerative rotodynamic compressor, a portion of a disc-like impeller adjacent the impeller periphery extends radially through an annular chamber in the compressor casing concentric with the impeller, thereby dividing said chamber into two annular s...
06/15/1982
4325672Regenerative turbo machine
A regenerative fluid dynamic machine, typically a blower or exhauster, includes a rotor (21) having a set of blades (24) which are curved, and preferably of aerofoil cross-section, in a manner which causes fluid flow passing through the set of blades to b...
04/20/1982
4306833Regenerative rotodynamic machines
In a regenerative rotodynamic compressor, a portion of a disc-like impeller adjacent the impeller periphery extends radially through an annular chamber in the compressor casing concentric with the impeller, thereby dividing said chamber into two annular s...
12/22/1981
4279570Energy transfer machine
An energy transfer machine including a stator ring carried in a casing forming a toroidal fluid path between a fluid inlet and a fluid outlet. A rotor has a blade cascade coacting with fluid in the path to transfer energy therebetween. Apparatus and metho...
07/21/1981
4261685Energy transfer machine
An energy transfer machine including a stator ring carried in a casing forming a toroidal fluid path between a fluid inlet and a fluid outlet. A rotor has a blade cascade coacting with fluid in the path to transfer energy therebetween. Apparatus and metho...
04/14/1981
4248567Energy transfer machine
An energy transfer machine including a stator ring carried in a casing forming a toroidal fluid path between a fluid inlet and a fluid outlet. A rotor has a blade cascade coacting with fluid in the path to transfer energy therebetween. Apparatus and metho...
02/03/1981
4197051Energy transfer machine
An energy transfer machine including a stator ring carried in a casing forming a toroidal fluid path between a fluid inlet and a fluid outlet. A rotor has a blade cascade coacting with fluid in the path to transfer energy therebetween. Apparatus and metho...
04/08/1980
3951567Side channel compressor
This disclosure relates to a side channel compressor comprising a housing defining a fluid conveying chamber, the fluid conveying chamber being of a curved configuration, a compressor wheel, means mounting the compressor wheel for rotation about an axis, ...
04/20/1976
 
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