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Class Information
Number: 417/423.6
Name: Pumps > Motor driven > Electric or magnetic motor > Rotary motor and rotary nonexpansible chamber pump > Having nonflexible means to transmit power between motor shaft and pump shaft
Description: Apparatus wherein the motor shaft and pump shaft are not directly connected and there is a means to transmit the power from the motor shaft to the pump shaft which is not an elastomeric endless belt.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7549847 |
Portable bulk transfer pump with variable speed transmission |
Jun. 23, 2009 |
| 7490594 |
Super-turbocharger |
Feb. 17, 2009 |
| 7240682 |
Washing fluid pump |
Jul. 10, 2007 |
| 7040860 |
Uni-directional impeller, and impeller and rotor assembly |
May. 9, 2006 |
| 7033145 |
Centrifugal pump for electrical household appliance or the like |
Apr. 25, 2006 |
| 6994531 |
High-speed fluidic device |
Feb. 7, 2006 |
| 6899130 |
Bilateral power pump unit |
May. 31, 2005 |
| 6840743 |
Plural fan installation for a cooling system for a motor vehicle, with a control unit, for controlling plural fan motors, mounted within one motor housing |
Jan. 11, 2005 |
| 6749397 |
Fluidal machine |
Jun. 15, 2004 |
| 6716003 |
Structure for an air pump |
Apr. 6, 2004 |
| 6709234 |
Impeller shaft assembly system |
Mar. 23, 2004 |
| 6632077 |
Hybrid bearing arrangement for centrifugal compressor |
Oct. 14, 2003 |
| 6602059 |
Electric submersible pump assembly with tube seal section |
Aug. 5, 2003 |
| 6497559 |
Molten metal submersible pump system |
Dec. 24, 2002 |
| 6497555 |
Liquid ring pump |
Dec. 24, 2002 |
| 6474962 |
Miniature well and irrigation pump apparatus |
Nov. 5, 2002 |
| 6471495 |
Miniature well and irrigation pump apparatus |
Oct. 29, 2002 |
| 6468058 |
Submersible concatenated system |
Oct. 22, 2002 |
| 6457306 |
Electrical drive system for rocket engine propellant pumps |
Oct. 1, 2002 |
| 6454010 |
Well production apparatus and method |
Sep. 24, 2002 |
| 6398521 |
Adapter for motor and fluid pump |
Jun. 4, 2002 |
| 6398525 |
Monolithic rotor and rigid coupling |
Jun. 4, 2002 |
| 6280138 |
Vertical axis pump |
Aug. 28, 2001 |
| 6179558 |
Filtering pump assembly |
Jan. 30, 2001 |
| 6162125 |
Motor shaft to gear pump coupling device for fluid borne noise reduction |
Dec. 19, 2000 |
| 6129529 |
Liquid petroleum gas submersible electric motor driven pump and drive coupling therefor |
Oct. 10, 2000 |
| 6106240 |
Gerotor pump |
Aug. 22, 2000 |
| 6095772 |
Shaft coupling system |
Aug. 1, 2000 |
| 6093000 |
Molten metal pump with monolithic rotor |
Jul. 25, 2000 |
| 6068457 |
Lobed pinion drive shaft for refrigeration compressor |
May. 30, 2000 |
| 6050790 |
Electric waving fan with oscillating multi-direction fan vane element |
Apr. 18, 2000 |
| 6050780 |
Method for driving a high speed compressor |
Apr. 18, 2000 |
| 6036451 |
Shaft assemblies for lineshaft turbine pump |
Mar. 14, 2000 |
| 6007308 |
Coupling device for a pump impeller |
Dec. 28, 1999 |
| 5960886 |
Deep well pumping apparatus |
Oct. 5, 1999 |
| 5957656 |
Pump mounted thrust bearing |
Sep. 28, 1999 |
| 5779434 |
Pump mounted thrust bearing |
Jul. 14, 1998 |
| 5573063 |
Deep well pumping apparatus |
Nov. 12, 1996 |
| 5482432 |
Bearingless automotive coolant pump with in-line drive |
Jan. 9, 1996 |
| 5393203 |
Fuel pump for motor vehicle |
Feb. 28, 1995 |
| 5382132 |
Toothed wheel gear unit for a compressor system |
Jan. 17, 1995 |
| 5281878 |
Adaptor for hydraulic power tilt/trim reservoirs |
Jan. 25, 1994 |
| 5154571 |
Geared turbocompressor |
Oct. 13, 1992 |
| 5125806 |
Integrated variable speed compressor drive system |
Jun. 30, 1992 |
| 5043617 |
Multi-motor liquid sample and device |
Aug. 27, 1991 |
| 5035585 |
Multiple connector for rotation vacuum pumps |
Jul. 30, 1991 |
| 5035586 |
Portable hand-held blower/vacuum unit with resilient engine mounting system |
Jul. 30, 1991 |
| 4997346 |
Well pumping systems |
Mar. 5, 1991 |
| 4936757 |
Multi-section vacuum pump |
Jun. 26, 1990 |
| RE33142 |
Centrifugal compressor |
Jan. 9, 1990 |
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