| Patents for F04B 49 - Control of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for in, or of interest apart from, groups (22,036) |
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| 06/15/2011 | CN102094799A Method for controlling pumping again and anti-pumping of concrete pump after halt |
| 06/15/2011 | CN102094798A Variable flow adjusting method for heat supply network circulating pump in equal resistance interval |
| 06/15/2011 | CN102094783A Electric double-liquid chemical grouting pump |
| 06/15/2011 | CN102094782A Concrete pumping equipment and hydraulic system thereof |
| 06/15/2011 | CN101178069B Compressor unit |
| 06/15/2011 | CN101092957B Treatment solution supply apparatus |
| 06/14/2011 | US7959606 Device and method employing shape memory alloy |
| 06/14/2011 | US7959420 Constant torque unloader system for a compressor |
| 06/14/2011 | US7959414 Control system and method for protection against breakage of lubricanting-oil film in compressor bearings |
| 06/14/2011 | CA2604358C Fluid delivery device with autocalibration |
| 06/09/2011 | WO2011011440A3 Method of controlling gaseous fluid pump |
| 06/09/2011 | US20110135522 Valve body for pumps |
| 06/09/2011 | US20110135508 Variable water pump control system and the control method thereof |
| 06/09/2011 | US20110135503 Compressor |
| 06/09/2011 | US20110135501 Linear compressor |
| 06/09/2011 | US20110135500 Method and apparatus for lubricating a transmission of a motor vehicle |
| 06/09/2011 | US20110135499 Apparatus and method for controlling operation of electric oil pump |
| 06/09/2011 | US20110135498 Methods and systems for assisted direct start control |
| 06/09/2011 | DE19840399B4 Zentrifugalfluidpumpenanordnung Centrifugal fluid pump |
| 06/09/2011 | DE102010039691A1 Schaltvenitl, insbesondere zur Zumessung eines Fluids für eine stromabwärts angeordnete Förderpumpe Schaltvenitl, in particular for metering of a fluid for a downstream feed pump |
| 06/09/2011 | DE102009056802A1 Ansteuerelektronik für ein elektromagnetisch betätigtes Ventil zum Betrieb einer hydrostatischen Verdrängereinheit Control electronics for an electromagnetically operated valve for operating a hydrostatic displacement unit |
| 06/09/2011 | DE102009056776A1 Hydraulisches System mit einer hydrostatischen, ventilgesteuerten Kolbenmaschine Hydraulic system with a hydrostatic valve-controlled piston engine |
| 06/08/2011 | EP2330304A1 Hydraulic assembly |
| 06/08/2011 | EP1563187B1 Compressor |
| 06/08/2011 | CN201858134U Piston air compressor pressure regulator |
| 06/08/2011 | CN201858133U Anti-explosion wiring device for compressor head of mine cooling machine set |
| 06/08/2011 | CN201858132U Fan frequency conversion cabinet with variable-frequency and power-frequency switching function |
| 06/08/2011 | CN201858131U Spraying air pump for beautifying |
| 06/08/2011 | CN201858130U Novel frequency conversion driving system of boiler water feeding pump of large power unit of power plant |
| 06/08/2011 | CN201858129U Cosmetic air pump |
| 06/08/2011 | CN201858104U Solar water suction pump |
| 06/08/2011 | CN201858103U Multi-cylinder speed-regulating plunger type mortar pump |
| 06/08/2011 | CN102086857A Apparatus and method for controlling operation of electric oil pump |
| 06/08/2011 | CN102086856A Compressor capacity control method and device for controlling the capacity of a compressor |
| 06/08/2011 | CN101432520B Hydraulic motor with star shaped cylinder and continuously variable displacement |
| 06/08/2011 | CA2687879A1 Piston with frangible piston stop |
| 06/03/2011 | WO2011007912A9 Reciprocating compressor |
| 06/02/2011 | US20110129363 Fuel pump |
| 06/02/2011 | US20110129361 Compressor capacity control method and device for controlling the capacity of a compressor |
| 06/02/2011 | US20110129359 Variable output pump |
| 06/02/2011 | US20110129356 Electric-motor-driven oil pump control system |
| 06/02/2011 | US20110129354 Vibration Protection In A Variable Speed Compressor |
| 06/01/2011 | EP2327871A2 Method for operating a fuel pump in a motor vehicle and fuel pump |
| 06/01/2011 | EP2326841A2 Compressor discharge control on a transport refrigeration system |
| 06/01/2011 | EP1576289B1 Method and system for monitoring a reciprocating compressor |
| 06/01/2011 | DE112008003543T5 Verdrängungssteuerungssystem für einen Kompressor mit verstellbarer Verdrängung Displacement control system for a variable displacement compressor |
| 06/01/2011 | DE10355651B4 Verfahren zur Optimierung des Wirkungsgrades eines unter Last betriebenen Motors Method for optimizing the efficiency of a motor is operated under load |
| 06/01/2011 | CN201851330U Valve seat with flow self-distributing servo variable control structure for valve core of radial variable plunger pump |
| 06/01/2011 | CN201851329U Valve bonnet of radial variable piston pump valve core self-assignment servo variable control structure |
| 06/01/2011 | CN201851328U Novel high-speed switch type digital valve of large-sized radial variable plunger pump |
| 06/01/2011 | CN201851327U Air compressor controller |
| 06/01/2011 | CN201851326U Liquid level controller for air compressor |
| 06/01/2011 | CN201851325U Protecting device of unloading pump |
| 06/01/2011 | CN201851324U Dry-type mechanical vacuumizing electrical control system |
| 06/01/2011 | CN201851323U Air compressor linkage control system |
| 06/01/2011 | CN201851322U Towed concrete pump device having wireless control device |
| 06/01/2011 | CN1940294B Control system for air-compressing apparatus |
| 06/01/2011 | CN102084131A Linear compressor |
| 06/01/2011 | CN102080647A Rain pump station monitoring system |
| 06/01/2011 | CN102080643A Water supply device and water level controlling means |
| 06/01/2011 | CN102080641A Reciprocating double-plunger pump oil supply device |
| 05/31/2011 | USRE42408 Oil pump and gears |
| 05/31/2011 | US7953533 Vehicle control apparatus |
| 05/31/2011 | US7951114 Device and method employing shape memory alloy |
| 05/26/2011 | WO2011062428A2 Linear compressor |
| 05/26/2011 | WO2011018663A3 Closed loop thermodynamic machine |
| 05/26/2011 | WO2011017536A3 System for controlling the stroke of an air-operated double diaphragm pump |
| 05/26/2011 | US20110125332 Systems and Methods for Specifying an Operational Parameter for a Pumping System |
| 05/26/2011 | US20110123374 Compensator assembly for submersible pump system |
| 05/26/2011 | US20110123363 Hydraulically Controlled Reciprocating Pump System |
| 05/26/2011 | US20110123361 Variable capacity type rotary compressor |
| 05/26/2011 | US20110123355 Vacuum pump |
| 05/26/2011 | US20110123354 Fluid-working machine and operating method |
| 05/26/2011 | US20110123353 Air compressor with shut-off mechanism |
| 05/26/2011 | US20110123352 Electric pump with time setting and enhanced oil-pipe transfer capability |
| 05/26/2011 | US20110120418 Improvements relating to fuel pumps |
| 05/26/2011 | DE10334213B4 Vorrichtung zum Steuern des Antriebs eines Linearmotors und Verfahren dazu An apparatus for controlling the drive of the linear motor and method thereof |
| 05/26/2011 | DE102006053524B4 Motorstartschaltkreis Motor start circuit |
| 05/25/2011 | EP2325491A1 Compressor drive device and operation method |
| 05/25/2011 | EP2324159A1 Control system and method for water supply |
| 05/25/2011 | CN201845242U Electric heat tracing interlocking controller device matched with high-power oil delivery pump unit |
| 05/25/2011 | CN201844490U Water chiller with low energy consumption |
| 05/25/2011 | CN201843765U Controller for work of submersible pump |
| 05/25/2011 | CN201843764U Remote monitoring device of low-temperature pump/compressor system |
| 05/25/2011 | CN201842859U Differential pressure switching device for RH (relative humidity) dry type vacuum-pumping system |
| 05/25/2011 | CN102077461A Method for identifying load condition of pump |
| 05/25/2011 | CN102076557A Ship steering device |
| 05/25/2011 | CN102072141A Control circuit capable of out-of-control prevention for compressor of refrigerator |
| 05/25/2011 | CN102072140A Control panel for air compressor of easily mounted electronic part and wiring operation |
| 05/25/2011 | CN102072139A Method for judging low-frequency vibrating failure of compressor quickly |
| 05/25/2011 | CN102071809A Concrete pump truck, damping device and method for concrete pump truck arm support |
| 05/25/2011 | CN102071690A Offshore self-elevating drilling platform pile pitching and pile pulling automatic control device and method |
| 05/25/2011 | CN101614203B Method and system for automatically controlling motor-driven feed-water pump |
| 05/24/2011 | US7946118 Cooling an electrically controlled turbocharger |
| 05/19/2011 | WO2011058848A1 Rotary vane compressor |
| 05/19/2011 | WO2011058379A1 Electronically controlled valve |
| 05/19/2011 | WO2011058268A1 Device for monitoring sample-collection using a piston pump |
| 05/19/2011 | WO2011057843A1 Air conditioning compressor for a vehicle and vehicle |
| 05/19/2011 | WO2010091305A3 Variable length bent-axis pump/motor |
| 05/19/2011 | US20110116938 Method for controlling a high-pressure fuel pump |