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Class Information
Number: 417/18
Name: Pumps > Condition responsive control of pump drive motor > Single motor control element responsive to means sensing diverse conditions
Description: Subject matter comprising a single drive motor controlling element which is caused to be operated in response to means sensing plural conditions which are (1) different in kind, e.g., pressure and flow rate, or (2) if of the same kind, different by the part of the system characterized by the condition, e.g., inlet and discharge pressures of the pump.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7497116 |
Flow rate estimation method of blood pump |
Mar. 3, 2009 |
| 7472541 |
Compressor control unit and gas turbine power plant including this unit |
Jan. 6, 2009 |
| 7458781 |
Radiation fan driving apparatus |
Dec. 2, 2008 |
| 7442012 |
Speed control for compressors |
Oct. 28, 2008 |
| 7442014 |
Fluid transfer system and method for transferring fluid |
Oct. 28, 2008 |
| 7429842 |
Control and alarm system for sump pump |
Sep. 30, 2008 |
| 7320225 |
Refrigeration system and method of operating the same |
Jan. 22, 2008 |
| 7309216 |
Pump control and management system |
Dec. 18, 2007 |
| 7296978 |
Compressed air system utilizing a motor slip parameter |
Nov. 20, 2007 |
| 7222493 |
Compressor diagnostic system |
May. 29, 2007 |
| 7219723 |
Integrated control system for beam pump systems |
May. 22, 2007 |
| 7071429 |
Linear adjustment operator for pressure control of paint pumps |
Jul. 4, 2006 |
| 7055338 |
Refrigerator |
Jun. 6, 2006 |
| 7037081 |
High pressure reciprocating pump and control of the same |
May. 2, 2006 |
| 7032659 |
Integrated control system for beam pump systems |
Apr. 25, 2006 |
| 6997683 |
High pressure reciprocating pump and control of the same |
Feb. 14, 2006 |
| 6939109 |
Pump control system |
Sep. 6, 2005 |
| 6939110 |
Control system for I.C. engine driven blower |
Sep. 6, 2005 |
| 6912862 |
Cryopump piston position tracking |
Jul. 5, 2005 |
| 6908289 |
Fuel pump with automatic shutoff |
Jun. 21, 2005 |
| 6894448 |
Direct current motor condition monitoring and exercising system |
May. 17, 2005 |
| 6826490 |
Transducer calibration system: apparatus and method |
Nov. 30, 2004 |
| 6814546 |
Multifan-equipped apparatus for cooling objects mounted at local interior regions and provided with fan-unit assembly and operation monitoring means having an error detector |
Nov. 9, 2004 |
| 6742994 |
Reciprocating pump with malfunction detecting apparatus |
Jun. 1, 2004 |
| 6741056 |
Air sampler with compensating pump motor speed |
May. 25, 2004 |
| 6676382 |
Sump pump monitoring and control system |
Jan. 13, 2004 |
| 6659980 |
Methods, apparatuses, and uses for infusion pump fluid pressure and force detection |
Dec. 9, 2003 |
| 6651900 |
Control apparatus for a fire pump, operation display apparatus for a fire pump and operation mode control apparatus for a fire pump |
Nov. 25, 2003 |
| 6623246 |
Apparatus and method for controlling operation of linear motor compressor |
Sep. 23, 2003 |
| 6554577 |
Apparatus and method for controlling operation of linear compressor using pattern recognition |
Apr. 29, 2003 |
| 6555986 |
Method and apparatus for detection of occlusions |
Apr. 29, 2003 |
| 6547528 |
Control system for fire pump |
Apr. 15, 2003 |
| 6540484 |
Scroll compressor with thermostat mounted in non-orbiting scroll |
Apr. 1, 2003 |
| 6537034 |
Apparatus and method for controlling operation of linear compressor |
Mar. 25, 2003 |
| 6537032 |
Load dependent variable speed hydraulic unit |
Mar. 25, 2003 |
| 6527519 |
Apparatus and method for controlling the operation of a linear compressor using a suction/discharge pressure difference storing unit |
Mar. 4, 2003 |
| 6524075 |
Apparatus and method for controlling operation of compressor |
Feb. 25, 2003 |
| 6520746 |
Apparatus and method for controlling operation of reciprocating compressor |
Feb. 18, 2003 |
| 6504338 |
Constant CFM control algorithm for an air moving system utilizing a centrifugal blower driven by an induction motor |
Jan. 7, 2003 |
| 6491500 |
Scroll compressor with motor protector in non-orbiting scroll and flow enhancement |
Dec. 10, 2002 |
| 6485465 |
Methods, apparatuses, and uses for infusion pump fluid pressure and force detection |
Nov. 26, 2002 |
| 6478546 |
Multistage blowdown valve for a compressor system |
Nov. 12, 2002 |
| 6471486 |
Compressor system and method and control for same |
Oct. 29, 2002 |
| 6468052 |
Vacuum relief device for fluid transfer and circulation systems |
Oct. 22, 2002 |
| 6461112 |
Screw compression apparatus and operation control method thereof |
Oct. 8, 2002 |
| 6450771 |
System and method for controlling rotary screw compressors |
Sep. 17, 2002 |
| 6422823 |
Mini-environment control system and method |
Jul. 23, 2002 |
| 6414455 |
System and method for variable drive pump control |
Jul. 2, 2002 |
| 6409476 |
Pumpjack dynamometer and method |
Jun. 25, 2002 |
| 6406266 |
Motor protector on non-orbiting scroll |
Jun. 18, 2002 |
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