| 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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| 09/04/2013 | CN203175824U Oil return resistant control system of vacuum holding pump |
| 09/04/2013 | CN203175823U Intelligent electronic and electric digital display wireless remote control air pump |
| 09/04/2013 | CN203175822U Numerical control tensioning oil pump |
| 09/04/2013 | CN203175821U GSM remote wireless intelligent control automatic water pumping system |
| 09/04/2013 | CN203175820U Non-negative pressure energy saving water pump |
| 09/04/2013 | CN203175819U Frequency conversion device of air compressor used for manufacturing pipe pile |
| 09/04/2013 | CN203175818U Automatic control water pumping device based on gravity and buoyancy |
| 09/04/2013 | CN203175811U Fan assembly |
| 09/04/2013 | CN203175810U 加湿装置 Humidifying device |
| 09/04/2013 | CN203175809U Humidification device |
| 09/04/2013 | CN203175808U Humidification device |
| 09/04/2013 | CN103282663A Automatic drain system to be employed in compressed air tank for pneumatic device |
| 09/04/2013 | CN103282662A Electronic control method and system for a piezo-lectric pump |
| 09/04/2013 | CN103282654A Pump having a throttle |
| 09/04/2013 | CN103282642A Variable stroke control structure for high pressure fuel pump |
| 09/04/2013 | CN103277292A Precision control device and precise control method of high-pressure fluid mixing pump |
| 09/04/2013 | CN103277291A Optimal scheduling method for single-stage pump station |
| 09/04/2013 | CN103277284A Full-automatic vacuum pumping device and control method thereof |
| 09/04/2013 | CN103277278A Power feed pump for domestic solar water heater |
| 09/04/2013 | CN102072140B Control panel for air compressor of easily mounted electronic part and wiring operation |
| 09/04/2013 | CN101517230B Fluid working machine and method for controlling fluid working machine |
| 09/03/2013 | US8523537 Integral plus proportional dual pump switching system |
| 09/03/2013 | US8523535 Adjusting valve for adjusting the delivery volume of a displacement pump |
| 09/03/2013 | US8523533 Constant horsepower regenerative assist for a hydraulic rod pumping unit |
| 09/03/2013 | US8523532 Sewage handling system, cover, and controls |
| 08/29/2013 | US20130224045 Valve arrangement, connection plate for a hydrostatic piston machine, and hydrostatic piston machine |
| 08/28/2013 | CN203161510U Hydrogen sulfide harm prevention device of oil delivery pump |
| 08/28/2013 | CN203161508U Pneumatic control device for air compressor |
| 08/28/2013 | CN203161507U Switch controller |
| 08/28/2013 | CN203161506U Automatic water feeding device |
| 08/28/2013 | CN203161505U Energy-saving control system |
| 08/28/2013 | CN203161498U Compression system |
| 08/28/2013 | CN203161473U Double-module extra high pressure nano homogenizer |
| 08/28/2013 | CN103270302A Valve device for controlling the air intake for a compressor of a vehicle, and compressor system and method for controlling a compressor system |
| 08/28/2013 | CN103270289A Pressure control arrangement of a fuel injection system having a valve which is arranged on the pressure side of a pump |
| 08/28/2013 | CN103269754A Control of the electric motors of a pump unit of a fire protection system |
| 08/28/2013 | CN103267012A Flow adjusting device capable of changing plunger volume |
| 08/28/2013 | CN103267011A Sinking pump automatic control device and control method thereof |
| 08/28/2013 | CN103267010A Internal combustion locomotive air compressor reconnection circuit |
| 08/28/2013 | CN103267009A Efficient stored energy transmitting system |
| 08/28/2013 | CN103267008A Piston type industrial pump pumping oil cylinder reversing buffer system and control method thereof |
| 08/28/2013 | CN103267007A Novel electronic pressure controller of water pump |
| 08/28/2013 | CN103267006A Novel electron pressure controller for water pump |
| 08/28/2013 | CN103263868A Ultrasonic dispersion injection pump |
| 08/28/2013 | CN102713293B Number-of-compressors controlling system |
| 08/28/2013 | CN101776068B Energy-saving intelligent control system and method for air compressor set |
| 08/28/2013 | CN101584110B Method and system for controlling operation of pump |
| 08/27/2013 | US8517696 Comprehensive control system for mobile pumping apparatus |
| 08/27/2013 | US8517693 Multi-compressor string with multiple variable speed fluid drives |
| 08/27/2013 | US8517692 Pressure limiting controller |
| 08/22/2013 | US20130216398 High-efficiency pump systems |
| 08/21/2013 | EP2627906A1 Hybrid hydraulic systems for industrial processes |
| 08/21/2013 | CN203146296U Diaphragm liquid leakage safety controller for air diaphragm pump |
| 08/21/2013 | CN203146295U Intermittent hydraulic oil pump |
| 08/21/2013 | CN203146294U Small-size full-intelligent water supply control cabinet |
| 08/21/2013 | CN203146293U Air compressor control system |
| 08/21/2013 | CN203146292U Switching control device of nuclear power plant fire pump |
| 08/21/2013 | CN203146291U Energy-saving control system of dual-mode speed regulation type water feed pump unit |
| 08/21/2013 | CN203146290U Air pump automatic water drainage control device and air pump automatic water drainage device |
| 08/21/2013 | CN203146289U Air pump controller and inflatable product with air pump controller |
| 08/21/2013 | CN203146272U Pressure adjusting system of compressor |
| 08/21/2013 | CN203146262U Adjustable pump |
| 08/21/2013 | CN203145997U Frequency conversion fan device for extracting gas |
| 08/21/2013 | CN203145906U Prying-assembling carbon dioxide gas injection device |
| 08/21/2013 | CN203145180U Automatic water drainage device |
| 08/21/2013 | CN103261706A Hydraulic driver |
| 08/21/2013 | CN103261691A Fluidics with thermal compensation for flow-type particle analyzer |
| 08/21/2013 | CN103261690A Thermodynamic system provided with a plurality of compressors |
| 08/21/2013 | CN103261683A Pump unit for feeding fuel, preferably diesel fuel, from a storage tank to an internal combustion engine |
| 08/21/2013 | CN103256213A Compressor system and running control method thereof |
| 08/21/2013 | CN103253621A Negative-pressure-free and pollution-free liquid pressurization transferring device |
| 08/21/2013 | CN102292505B Hydraulic control system utilizing feed-foward control |
| 08/21/2013 | CN102094798B Variable flow adjusting method for heat supply network circulating pump in equal resistance interval |
| 08/21/2013 | CN101925511B Speed control apparatus for cooling sea-water transfer pump |
| 08/21/2013 | CN101922445B Constant power control valve |
| 08/20/2013 | US8512007 Compressor and method for controlling a compressor for the compressed air supply of a commercial vehicle |
| 08/20/2013 | US8512006 Hydraulic pump with variable flow and pressure and improved open-loop electric control |
| 08/15/2013 | WO2013118181A1 Fluid working machine with valve actuation |
| 08/15/2013 | WO2013118180A1 Fluid working machine with valve actuation |
| 08/15/2013 | WO2012054344A3 Hydraulic drive circuit with parallel architectured accumulator |
| 08/15/2013 | US20130209284 Hydraulic dual axial piston machine |
| 08/15/2013 | US20130209272 Vacuum pump control device and vacuum pump |
| 08/15/2013 | US20130205769 Wave energy conversion |
| 08/15/2013 | US20130205762 Auxiliary flow valve system and method for managing load flow requirements for auxiliary functions on a tractor hydraulic system |
| 08/15/2013 | CA2768019A1 Method and apparatus for continuous online monitoring of a pulsating pump |
| 08/14/2013 | EP2626554A1 Regenerated energy type generating apparatus and method for producing same |
| 08/14/2013 | EP2625424A1 Liquid metering pump, and device for detecting the variation in pressure for such a pump |
| 08/14/2013 | DE102004054690B4 Vorrichtung und Verfahren zum Steuern des Betriebs eines Kolbenverdichters Apparatus and method for controlling the operation of a reciprocating compressor |
| 08/14/2013 | DE102004048802B4 Vorrichtung und Verfahren zur Betriebssteuerung eines Kolbenverdichters Apparatus and method for controlling the operation of a reciprocating compressor |
| 08/14/2013 | CN203135767U High-reliability shield machine hydraulic oil pump starting control device |
| 08/14/2013 | CN203130466U Lower limiting position alarm device of compressor and air conditioner |
| 08/14/2013 | CN203130465U Monitoring system for frequency-converting control of air compressor |
| 08/14/2013 | CN203130464U Variable pump output pressure control device and engineering machinery device |
| 08/14/2013 | CN203130463U Intelligent control system of emulsion pump station |
| 08/14/2013 | CN203130462U Remote inquiring and control system of photovoltaic water pump |
| 08/14/2013 | CN203130461U Idling-preventing electric submersible pump |
| 08/14/2013 | CN203130460U Harmonic-free energy-saving device suitable for air compressor |
| 08/14/2013 | CN203130459U Reciprocating compressor capacity stepless regulating system |
| 08/14/2013 | CN203130458U Pressure transmission type pump control device |
| 08/14/2013 | CN203130457U Air compressor control system in ZIGBEE wireless network technology |