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Class Information
Number: 417/89
Name: Pumps > One fluid pumped by contact or entrainment with another > Diverse pumps > Including jet pump > With rotary nonexpansible chamber type
Description: Apparatus in which another of the pumps comprises a pumping member which has unidirectional rotary motion about a fixed axis and acts to pump fluid by centrifugal, centripetal or screw effect.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7452191 |
Vacuum pump and method for generating sub-pressure |
Nov. 18, 2008 |
| 7443671 |
Axial duct cooling fan |
Oct. 28, 2008 |
| 7192257 |
Jet pump for boosting pressure at an inlet supplied from a sump and second fluid source |
Mar. 20, 2007 |
| 7048514 |
Downhole jet unit for testing and completing wells |
May. 23, 2006 |
| 6877961 |
Vane pump with a bypass valve and passage arrangement for equalizing excess fluid flow through dual suction passages |
Apr. 12, 2005 |
| 6857859 |
Gasket for jet pump assembly of a fuel supply unit |
Feb. 22, 2005 |
| 6672828 |
Vacuum pump |
Jan. 6, 2004 |
| 6250889 |
Pump with improved priming |
Jun. 26, 2001 |
| 6155793 |
Recessed fuel pump module |
Dec. 5, 2000 |
| 5806560 |
Aircraft fuel transfer pump with auxiliary fuel line scavenge pump |
Sep. 15, 1998 |
| 5551841 |
Axial-flow fan |
Sep. 3, 1996 |
| 5458467 |
Jet pump and method of operation thereof |
Oct. 17, 1995 |
| 5454532 |
Aircraft deicer pumping system |
Oct. 3, 1995 |
| 5451139 |
Self priming centrifugal |
Sep. 19, 1995 |
| 5395514 |
Ultrafiltration system and assembly |
Mar. 7, 1995 |
| 5330475 |
Modular fuel sender for motor vehicle |
Jul. 19, 1994 |
| 5312231 |
Slurry conveyor device |
May. 17, 1994 |
| 5145314 |
Low drag pitot pump and method of operating same |
Sep. 8, 1992 |
| 5088896 |
Jet pump with rotatable venturi cartridge |
Feb. 18, 1992 |
| 4883410 |
Fuel supply systems |
Nov. 28, 1989 |
| 4878518 |
In-tank fuel reservoir with fuel vapor separation |
Nov. 7, 1989 |
| 4877377 |
Rotary pump system |
Oct. 31, 1989 |
| 4864825 |
Suction type turbo-supercharger |
Sep. 12, 1989 |
| 4820131 |
Venturi nozzle assembly construction in a shallow well pump casing |
Apr. 11, 1989 |
| 4799863 |
Vacuum flow device |
Jan. 24, 1989 |
| 4767281 |
Centrifugal pump system with inlet reservoir |
Aug. 30, 1988 |
| 4704070 |
Fuel system bubble dissipation device |
Nov. 3, 1987 |
| 4693085 |
Device for increasing the rotational speed of an exhaust gas turbo-charger on an internal combustion engine |
Sep. 15, 1987 |
| 4627792 |
Rotating flow pump with a feed pump unit formed as an ejector |
Dec. 9, 1986 |
| 4623302 |
Arrangement for facilitating the start-up of not self-priming centrifugal pumps |
Nov. 18, 1986 |
| 4609328 |
Method and apparatus for total energy systems |
Sep. 2, 1986 |
| 4606703 |
Fluidic pumping systems with control means responsive to liquid level |
Aug. 19, 1986 |
| 4431377 |
Compressor with pump recycling for isotopic separation through gaseous scattering |
Feb. 14, 1984 |
| 4422829 |
Sump drain system |
Dec. 27, 1983 |
| 4381175 |
Jet electric pump |
Apr. 26, 1983 |
| 4365938 |
Modular low head high volume water pump and aquaculture system |
Dec. 28, 1982 |
| 4362474 |
Centrifugal fuel pump with automatically switched jet injection |
Dec. 7, 1982 |
| 4294573 |
Submersible electrically powered centrifugal and jet pump assembly |
Oct. 13, 1981 |
| 4249864 |
Centrifugal pump system for water desalinization |
Feb. 10, 1981 |
| 4142839 |
Centrifugal pump for high V/L performance |
Mar. 6, 1979 |
| 4060341 |
Automatic auxiliary jet sump pump |
Nov. 29, 1977 |
| 4045522 |
Animal waste treatment system |
Aug. 30, 1977 |
| 4037991 |
Fluid-flow assisting devices |
Jul. 26, 1977 |
| 3981626 |
Down hole pump and method of deep well pumping |
Sep. 21, 1976 |
| 3963376 |
Automatic water powered sump drainer |
Jun. 15, 1976 |
| 3943329 |
Hair dryer with safety guard air outlet nozzle |
Mar. 9, 1976 |
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