| Patents for F04D 15 - Control, e.g. regulation, of pumps, pumping installations, or systems (4,967) |
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| 10/04/2001 | EP1138950A1 Pump controller |
| 10/04/2001 | DE10014602A1 Electric motor-driven pump has control electronics signal line(s) connected to contact element enabling direct connection to signal line and access to signals transferred via signal line |
| 10/03/2001 | CN2451772Y Automatic drainage valve for submerged electric pump |
| 10/02/2001 | US6296438 Device for the regulation of the pumping capacity of vertical-axis centrifugal pumps |
| 09/20/2001 | DE10035989A1 Zentrifugal-Fluidpumpvorrichtung Centrifugal fluid pump device |
| 09/20/2001 | DE10013042A1 Kreiselpumpe mit gekühlter Elektronikeinheit Centrifugal pump with chilled electronic unit |
| 09/20/2001 | DE10010961A1 Motorbaueinheit für ein Tauchpumpenaggregat Motor assembly for a submersible pump assembly |
| 09/19/2001 | EP1134421A1 Autonomous inverter driving hydraulic unit |
| 09/19/2001 | EP1134419A2 Centrifugal pump with cooled electronic unit |
| 09/12/2001 | EP1132623A2 Submersible motor pump unit |
| 09/12/2001 | EP1132615A2 Fluid dispenser |
| 09/12/2001 | CN1312135A Liquid discharging apparatus and liquid discharging method |
| 09/05/2001 | EP1130268A1 Circulation pump with double casing |
| 09/05/2001 | EP1130267A1 Immersion pump with integrated float switch |
| 08/28/2001 | US6280157 Sealless integral-motor pump with regenerative impeller disk |
| 08/23/2001 | WO2001061429A1 Method and system for automatically controlling water level in storage tank through wireless control process |
| 08/23/2001 | DE10007105A1 Modular system with hydraulic components has electrical plug connector forming electrical interface on pump housing connecting electronic or electrical component to control electronics |
| 08/23/2001 | DE10007088A1 Steuervorrichtung für Pumpe und Ventil Control device for pump and valve |
| 08/22/2001 | EP1126178A2 Control system for pump valve unit |
| 08/22/2001 | EP1126177A2 Electric hydraulic interface |
| 08/22/2001 | CN1069956C Pump and over-center snap link |
| 08/02/2001 | WO2001055601A1 Centrifugal pump with multiple inlets |
| 08/02/2001 | WO2001055597A1 Variable flow water pump |
| 08/02/2001 | CA2398338A1 Centrifugal pump with multiple inlets |
| 07/25/2001 | EP1117912A1 Gas turbine engine |
| 07/24/2001 | US6264431 Variable-speed motor drive controller for a pump-motor assembly |
| 07/24/2001 | CA2162371C Readily installed universal sewage grinder pump |
| 07/19/2001 | WO2001051816A1 Method for calculating characteristic curve of centrifugal fluid machine by computer |
| 07/19/2001 | WO2001051815A1 Method for selecting centrifugal fluid machine by computer |
| 07/19/2001 | DE10001047A1 Hermetically sealed drive system e.g. for canned motor pump has fixed partition arranged between internal and outer rotors, with Hall effect sensor outside partition |
| 07/11/2001 | CN1303467A Diagnosing system for fluid machinery |
| 07/10/2001 | US6257833 Redundant, dedicated variable speed drive system |
| 07/10/2001 | US6257177 Water pump for the cooling circuit of an internal combustion engine |
| 07/05/2001 | WO2000020738A9 Gas turbine engine |
| 07/03/2001 | US6254353 Method and apparatus for controlling operation of a submersible pump |
| 06/27/2001 | CN1067748C Protector of pump |
| 06/26/2001 | US6250894 Load sharing valve and system for operating centrifugal pumps in parallel |
| 06/26/2001 | US6250876 Mechanical seal with flushing arrangement |
| 06/20/2001 | CN1300349A Control system for multi-pump operation |
| 06/14/2001 | WO2001042653A1 Electromagnetically suspended and rotated centrifugal pumping apparatus and method |
| 06/14/2001 | CA2393772A1 Electromagnetically suspended and rotated centrifugal pumping apparatus and method |
| 06/13/2001 | CN2434455Y Automatic monitor for water pump |
| 06/12/2001 | US6244833 Device to increase slurry density |
| 06/12/2001 | US6244828 Pump and combination pump and trap with snap-over mechanism and double-seal outlet valve |
| 06/06/2001 | CN2433431Y Automatic protecter for machinery pump |
| 06/05/2001 | US6241704 Drug pump systems and methods |
| 06/05/2001 | US6241485 Wastewater flow control system |
| 06/05/2001 | US6240904 Stand alone multi stage fuel pump |
| 05/31/2001 | DE19956768A1 Pumpe mit Vibrationssensor Pump with vibration sensor |
| 05/30/2001 | EP1104088A2 Pump with vibration sensor |
| 05/30/2001 | EP1103724A2 Axial-pump for conveying molten metals |
| 05/30/2001 | EP0805927B1 Improved automatic recirculation valve |
| 05/30/2001 | CN2432362Y Automatic water intake valve for booster-type pump |
| 05/23/2001 | EP0901574A4 Submerged motor pump |
| 05/22/2001 | US6234759 Method for regulating a fluid pressure |
| 05/17/2001 | WO2001034982A1 A system for controlling the working conditions for mechanical pumps, and a regulation valve for such a system |
| 05/08/2001 | US6227808 Spa pressure sensing system capable of entrapment detection |
| 05/08/2001 | US6227806 Lift pump guard |
| 05/08/2001 | US6227235 Temperature regulated hot water recirculation system |
| 05/01/2001 | US6224353 Pump control apparatus and method |
| 04/25/2001 | CN1065028C NC serial operating mode change pump |
| 04/25/2001 | CN1064922C Equipment for transporting and metering particulate material |
| 04/18/2001 | EP0746684B1 Soft-start pump control system |
| 04/18/2001 | CN1292072A Fluid machinery |
| 04/18/2001 | CN1292071A Performance regulating device for fluid machinery |
| 04/17/2001 | US6216645 Method for controlling a coolant pump of an internal combustion engine |
| 04/11/2001 | EP1091128A1 Magnetically coupled pump |
| 04/11/2001 | EP1091127A1 Regenerative fuel pump having force-balanced impeller |
| 04/11/2001 | CN1290819A Self stopping water pump |
| 04/03/2001 | US6210102 Regenerative fuel pump having force-balanced impeller |
| 04/03/2001 | US6209309 Pulse width modulated fuel flow control for an engine |
| 03/29/2001 | WO2001021959A1 Autonomous inverter driving hydraulic unit |
| 03/27/2001 | US6206659 Magnetically driven rotor for blood pump |
| 03/21/2001 | EP1085217A2 Pump housing with integrated electronics |
| 03/21/2001 | EP1085210A2 Pump with temperature sensor on the housing |
| 03/20/2001 | US6203282 Method to control out pumping from a sewage pump station |
| 03/15/2001 | DE19943577A1 Pumpengehäuse mit integrierter Elektronik Pump housing with integrated electronics |
| 03/08/2001 | WO2001017095A1 Motor frame and motor using the motor frame and motor pump |
| 02/28/2001 | CN1285473A Electric pump with bidirectional valve function |
| 02/28/2001 | CN1062643C Method and apparatus for controlling pumps in drainage system |
| 02/27/2001 | US6193462 Thrust balance device |
| 02/22/2001 | DE10035458A1 Combination measurement sensor for monitoring operating conditions in centrifugal pump accommodates temperature and pressure sensors in common housing |
| 02/21/2001 | EP1076777A1 Control system for multi-pump operation |
| 02/21/2001 | CN1062338C 供水系统 Water supply system |
| 02/20/2001 | CA2160629C Pump and over-center snap link |
| 02/13/2001 | US6185946 System for sequencing chillers in a loop cooling plant and other systems that employ all variable-speed units |
| 02/07/2001 | EP1074745A1 Hydraulic machine with automatic control device attached |
| 02/07/2001 | EP1074744A2 Pond pump |
| 02/01/2001 | WO2001007836A1 Mixing valve |
| 02/01/2001 | WO2001007790A1 Method and device for regulating the pressure in a supply line, extending from a centrifugal pump |
| 02/01/2001 | DE19931961A1 Verfahren zur Regelung einer Fördergröße einer Pumpe Method for controlling a feed size of a pump |
| 01/31/2001 | EP1072795A1 Diagnosing system for fluid machinery |
| 01/31/2001 | EP0725752B1 An apparatus for transporting particulate material and a method of operating such an apparatus |
| 01/25/2001 | WO2001005349A2 Spa pressure sensing system capable of entrapment detection |
| 01/25/2001 | CA2397892A1 Spa pressure sensing system capable of entrapment detection |
| 01/24/2001 | EP1070510A2 Centrifugal fluid pump assembly |
| 01/23/2001 | US6178393 Pump station control system and method |
| 01/18/2001 | WO2000060239A3 Load sharing valve and system for operating centrifugal pumps in parallel |
| 01/17/2001 | CN2415181Y Flow controlling device for pump |
| 01/17/2001 | CN1280253A Method for regulating pump transport volume |