| 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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| 02/25/1999 | WO1998052624A3 Volumetric pump with sterility seal |
| 02/25/1999 | DE19736752A1 Control circuit for hydraulic brake pump |
| 02/25/1999 | DE19735111A1 Hydraulic control, particularly for excavator rotary mechanism |
| 02/24/1999 | EP0897477A1 Electromagnetically suspended and rotated centrifugal pumping apparatus and method |
| 02/24/1999 | EP0897476A1 Hybrid magnetically suspended and rotated centrifugal pumping apparatus and method |
| 02/24/1999 | EP0897473A1 Disposable ambulatory microprocessor controlled volumetric pump |
| 02/24/1999 | CN1209193A Inverter-controlled sealed compressor |
| 02/23/1999 | US5873707 For controlling fluid communication |
| 02/23/1999 | US5873706 Valved suction mechanism for refrigerant compressor |
| 02/23/1999 | US5873704 Variable capacity refrigerant compressor |
| 02/17/1999 | EP0897062A2 Pressure control circuit for more than one hydraulic pump with a pressure averager |
| 02/11/1999 | DE19733778A1 Hydraulic pump protection block |
| 02/10/1999 | EP0896156A2 Protable inflator |
| 02/10/1999 | EP0896155A2 Variable displacement compressor in which a displacement control is improved at an initial stage of the start-up thereof |
| 02/09/1999 | US5868555 Hydraulic drive unit of a press machine and a swash plate type variable capacity axial piston pump to use for said device |
| 02/09/1999 | US5868133 Portable drag compressor powered mechanical ventilator |
| 02/09/1999 | US5867996 Compressor control device for vehicle air conditioner |
| 02/08/1999 | CA2244521A1 Portable inflator |
| 02/04/1999 | WO1999005779A1 Method and device for controlling drive of air conditioner |
| 02/04/1999 | DE19825759A1 Hydraulic drive unit for assisting auxiliary functions in motor vehicle |
| 02/04/1999 | DE19750379A1 Combined electrical generator and pump unit driven by internal combustion engine |
| 02/03/1999 | EP0894980A2 Vane compressor with delivery pressure control |
| 02/03/1999 | EP0894470A1 Household appliance with a level monitoring system |
| 02/03/1999 | EP0478675B2 A loading machine equipped with a first and a second pump supplying pressure oil to at least one hydraulically driven working component, such as a hydraulic piston-cylinder device or hydraulic motor |
| 02/03/1999 | CN1207157A Fuel injection system |
| 02/02/1999 | US5865604 Displacement controlling structure for clutchless variable displacement compressor |
| 02/02/1999 | US5865602 Aircraft hydraulic pump control system |
| 02/02/1999 | US5865601 For dislodging a person/thing trapped at the drain of a liquid reservoir |
| 01/28/1999 | WO1999004325A1 An apparatus and method for regulating a pressure in a chamber |
| 01/28/1999 | WO1999004168A1 Single-source gas actuation for screw compressor slide valve assembly |
| 01/28/1999 | DE19708597C1 Suction throttle pump for hydraulic oil |
| 01/27/1999 | EP0826110B1 Sliding hydraulic output and moment regulation device |
| 01/27/1999 | CN2305501Y 全自动水泵控制器 Automatic Pump Controller |
| 01/27/1999 | CN2305500Y Valve type water pump automatic controller |
| 01/26/1999 | US5863185 Liquid flow apparatus |
| 01/21/1999 | DE19730287A1 Closed circuit hydraulic pump loss-free forced partial fluid flow circulation circuit |
| 01/20/1999 | EP0891468A1 Pump-off controller |
| 01/19/1999 | US5860797 Flow rate control device for a pump |
| 01/19/1999 | US5860793 Diaphragm metering pump with push to prime air bleeder valve |
| 01/19/1999 | US5860791 Scroll compressor with end-plate valve having a conical passage and a free sphere |
| 01/14/1999 | WO1999001665A1 Integrated controller pump |
| 01/14/1999 | CA2264173A1 Integrated controller pump |
| 01/13/1999 | EP0663986B1 Dry-compression vacuum pump |
| 01/13/1999 | CN2303944Y Super-high-pressure hydraulic pump |
| 01/07/1999 | DE19827970A1 Vehicle pump flow control system |
| 01/07/1999 | DE19827922A1 Hydraulic pump e.g. for vehicle power steering systems |
| 01/07/1999 | DE19728225A1 Regulating safety block, particularly for high pressure pump |
| 01/06/1999 | CN2303097Y Switch operated by liquid flow pressure |
| 01/06/1999 | CN2303096Y Adjustable pin shaft of oil pumping machine's braking device |
| 01/05/1999 | US5856783 In an underground vault |
| 12/30/1998 | EP0887553A1 Submersible pump |
| 12/24/1998 | DE19726572A1 Radial piston pump with eccentric shaft driving number of feed units |
| 12/23/1998 | EP0753102A4 Pump control system |
| 12/23/1998 | CN2301556Y Pump |
| 12/22/1998 | US5851108 Electronic control sensor systems |
| 12/17/1998 | WO1998057065A1 Actuator valve for pressure switch for a hydraulic system |
| 12/17/1998 | WO1998057064A1 Temperature compensation system for regulating flow through tubing in a pump |
| 12/17/1998 | CA2293432A1 Actuator valve for pressure switch for a fluidic system |
| 12/16/1998 | EP0884477A2 Loading ramp |
| 12/16/1998 | EP0884476A2 Pressure limiting control circuit for the safe operation of a variable displacement radial or axial hydraulic piston pump or vane cell machine |
| 12/16/1998 | EP0883744A1 Pump |
| 12/16/1998 | EP0883742A1 Synchronized unloader system and method for a gas compressor |
| 12/16/1998 | CN2300744Y Oil pump operation protector |
| 12/16/1998 | CN1201959A Prediction of chiller compressor motor overheating |
| 12/15/1998 | US5848877 Water blasting system with improved pressure control and method |
| 12/15/1998 | CA2126338C Improved pwm control for electric motor driven piston paint pumps |
| 12/10/1998 | WO1998055765A1 Double action piston pump system for irrigation purposes using energy of runnig water |
| 12/10/1998 | WO1998055199A1 Active pump phasing to enhance chromatographic reproducibility |
| 12/09/1998 | EP0883046A1 Prediction of chiller compressor motor overheating |
| 12/09/1998 | EP0882184A1 Inverter-controlled sealed compressor |
| 12/09/1998 | EP0882180A1 Fuel injection system |
| 12/09/1998 | EP0855923A4 Flow estimation and compensation of flow-induced pressure swings in cpap treatment and assisted respiration |
| 12/08/1998 | US5847592 For producing output voltages from sensor signals |
| 12/08/1998 | US5846060 Reciprocating piston pump with bleed passages |
| 12/08/1998 | US5846056 Reciprocating pump system and method for operating same |
| 12/08/1998 | US5845493 Method and apparatus for operating a hydraulic drive |
| 12/03/1998 | WO1998054468A1 Hydraulic system with a hydromotor fed by a hydraulic transformer |
| 12/03/1998 | WO1998054450A1 Hydraulic drive system with constant pressure in pressure conduit |
| 12/02/1998 | EP0881387A2 Clutchless variable capacity swash plate compressor |
| 12/02/1998 | EP0782672B1 Regulating device for displacement pumps |
| 12/02/1998 | EP0777887A4 Bimodal liquid chromatography pump employing artificial intelligence logic feedback control |
| 12/02/1998 | EP0712467B1 Hydraulic system for an axial piston pump |
| 12/02/1998 | CN2299166Y Top sucking vacuum water diversion appts. |
| 12/02/1998 | CN2299165Y Motor protective controlling implement for water pump |
| 12/01/1998 | US5842835 Variable displacement compressor and its assembling method |
| 12/01/1998 | US5842834 Swash plate type compressor employing single-headed pistons |
| 12/01/1998 | US5842354 Climate controller for automobiles |
| 11/26/1998 | WO1998053207A1 Water blasting system with improved pressure control and method |
| 11/26/1998 | WO1998052624A2 Volumetric pump with sterility seal |
| 11/26/1998 | CA2290492A1 Water blasting system with improved pressure control and method |
| 11/25/1998 | EP0879968A1 Hydraulic drive apparatus |
| 11/25/1998 | CN1199674A Protecting device for car air conditioner |
| 11/24/1998 | US5839885 Capacity control apparatus for a variable capacity hydraulic pump |
| 11/24/1998 | US5839883 System and method for controlling a materials handling system |
| 11/19/1998 | WO1998051931A1 Capacity control scroll compressor |
| 11/19/1998 | WO1998051930A1 Capacity control scroll compressor |
| 11/18/1998 | EP0644782B1 Automated peritoneal dialysis system with detector for recognition of empty supply reservoir and tubing occlusion |
| 11/18/1998 | CN2297566Y Self-priming device for water pump |
| 11/18/1998 | CN1199152A Pump element for lubricant pump |
| 11/18/1998 | CN1199143A Variable capacity wobble plate compressor |