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Class Information
Number: 417/319
Name: Pumps > Including disengageable rotary or frangible drive connection
Description: Apparatus in which the pump has a driven pumping member, the driving means including (1) a friction or interlocking means to secure drive continuity between two rotating members of the driving means, but being releasable to interrupt the drive, or (2) a member or part so designed as to break or rupture on overload so as to discontinue the drive.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7426110 |
Centrifugal fan clutch for an electronics cooling fan |
Sep. 16, 2008 |
| 7332074 |
Water circulation systems for ponds, lakes, and other bodies of water |
Feb. 19, 2008 |
| 7101156 |
Method and apparatus for controlling a pumping unit |
Sep. 5, 2006 |
| 7040989 |
Power transmission device |
May. 9, 2006 |
| 7040871 |
Compressor provided with torque limiter |
May. 9, 2006 |
| 7033143 |
Pumping system with clutch and associated by-pass |
Apr. 25, 2006 |
| 7001155 |
Compressor impeller with stress riser |
Feb. 21, 2006 |
| 6913538 |
Torque transmission system |
Jul. 5, 2005 |
| 6860726 |
Dual drive for hydraulic pump and air boost compressor |
Mar. 1, 2005 |
| 6857860 |
Metering pump for liquid products |
Feb. 22, 2005 |
| 6827548 |
Rotor assemblies for gas turbine engines |
Dec. 7, 2004 |
| 6675902 |
Progressive cavity wellbore pump and method of use in artificial lift systems |
Jan. 13, 2004 |
| 6663354 |
Hydrostatic axial piston machine with a control port, a cradle supported swashplate and a swashplate actuating piston |
Dec. 16, 2003 |
| 6619929 |
Rotational apparatus |
Sep. 16, 2003 |
| 6612813 |
Power transmission mechanism |
Sep. 2, 2003 |
| 6561770 |
Engine water pump with temperature responsive drive |
May. 13, 2003 |
| 6468047 |
Power pump device |
Oct. 22, 2002 |
| 6457947 |
Piston compressor for refrigerant, with thermal insulation |
Oct. 1, 2002 |
| 6419585 |
Power transmission mechanism |
Jul. 16, 2002 |
| 6409479 |
Variable displacement piston pump/motor |
Jun. 25, 2002 |
| 6385988 |
Dustproof implement |
May. 14, 2002 |
| 6332842 |
Rotation transmitter having torque limiting mechanism |
Dec. 25, 2001 |
| 6312238 |
Hydraulically retractable hydraulic motor |
Nov. 6, 2001 |
| 6290043 |
Soft start compressor clutch |
Sep. 18, 2001 |
| 6213733 |
Compressor for the air-conditioning system of a motor vehicle |
Apr. 10, 2001 |
| 6210125 |
Water system with both electric motor power and manual pedal power, for a reciprocating pump |
Apr. 3, 2001 |
| 6158976 |
Hydraulic pump |
Dec. 12, 2000 |
| 6149403 |
Pump drive decoupler |
Nov. 21, 2000 |
| 6116862 |
Blood pump |
Sep. 12, 2000 |
| 6095772 |
Shaft coupling system |
Aug. 1, 2000 |
| 6092997 |
Compressor |
Jul. 25, 2000 |
| 6079958 |
Dry-pit submersible pump having a fan and a torque-relieving mechanism |
Jun. 27, 2000 |
| 6070880 |
System for lubricating mechanical seals |
Jun. 6, 2000 |
| 6068452 |
Torque limiting mechanism |
May. 30, 2000 |
| 6056517 |
Compressor for the air-conditioning system of a motor vehicle |
May. 2, 2000 |
| 6007308 |
Coupling device for a pump impeller |
Dec. 28, 1999 |
| 5988994 |
Angularly oscillating, variable displacement compressor |
Nov. 23, 1999 |
| 5800137 |
Refrigerating compressor with breakaway pulley portion |
Sep. 1, 1998 |
| 5752810 |
Pump with an integral clutch |
May. 19, 1998 |
| 5711657 |
Centrifugal pump, particularly for fountains |
Jan. 27, 1998 |
| 5622481 |
Shaft coupling for a molten metal pump |
Apr. 22, 1997 |
| 5569022 |
Self-unblocking motor-driven pump having last motion shaft coupling |
Oct. 29, 1996 |
| 5520155 |
Tappet and plunger assembly adapted for a fluid injection pump |
May. 28, 1996 |
| 5507219 |
Fail-safe linkage for a reciprocating pump |
Apr. 16, 1996 |
| 5482432 |
Bearingless automotive coolant pump with in-line drive |
Jan. 9, 1996 |
| 5443372 |
Coupling mechanism for a compressor |
Aug. 22, 1995 |
| 5441389 |
Eddy current drive and motor control system for oil well pumping |
Aug. 15, 1995 |
| 5364237 |
Compressor assembly having a clutch triggered by a small compressor and actuated by discharge pressure |
Nov. 15, 1994 |
| 5346370 |
Portable pumping system with generator powered clutch assembly |
Sep. 13, 1994 |
| 5326232 |
Two stage pump assembly with mechanical disconnect |
Jul. 5, 1994 |
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