| 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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| 05/25/1983 | EP0022781B1 Gear machine |
| 05/24/1983 | US4384826 Method and apparatus for controlling communication with a compressor unloader chamber |
| 05/24/1983 | US4384825 Personal sampling pump |
| 05/18/1983 | EP0078861A1 Pressure-control system |
| 05/18/1983 | EP0022818B1 Anti-stall controller |
| 05/17/1983 | US4383805 Gas compressor of the scroll type having delayed suction closing capacity modulation |
| 05/10/1983 | US4382749 Reciprocating compressor with integral unloader valve |
| 05/10/1983 | US4382748 Opposed piston type free piston engine pump unit |
| 05/10/1983 | US4382485 Hydraulic logic control for variable displacement pump |
| 05/04/1983 | EP0077908A2 Apparatus for feeding liquid against high pressure |
| 05/03/1983 | US4381904 Hydraulic power pack |
| 05/03/1983 | US4381702 Displacement control for a hydraulic pump or motor with failure override |
| 05/03/1983 | US4381647 Load-plus valve for variable displacement pumps |
| 05/03/1983 | US4381646 Torque and high pressure limiting control for variable displacement pumps |
| 04/26/1983 | US4381176 Destroking start valve for variable displacement pump |
| 04/26/1983 | US4381174 Variable speed drive |
| 04/26/1983 | US4381125 Hydraulically-operated anti-skid vehicle braking system with pump |
| 04/20/1983 | EP0076876A1 Arrangement with a vane pump for adjusted capacities of the delivery rate |
| 04/12/1983 | US4379389 Horsepower consumption control for variable displacement pumps |
| 04/05/1983 | CA1144263A1 Starter circuit for compressor units |
| 04/05/1983 | CA1144020A1 Apparatus for delivering varying quantities of a fluid |
| 04/05/1983 | CA1144005A1 Flow control valve |
| 03/30/1983 | EP0075098A1 Pressure gas generating unit |
| 03/30/1983 | EP0075097A1 Installation for producing compressed gas |
| 03/29/1983 | US4378201 Diaphragm pump having spool and guide members |
| 03/29/1983 | US4378200 Power transmission |
| 03/23/1983 | EP0074550A1 Piezo-hydraulic control means in connection with a fuel injection device |
| 03/15/1983 | US4376377 Unloading system for cryogenic pumps |
| 03/15/1983 | CA1143038A1 Method and apparatus for controlling the operation of a pump |
| 03/08/1983 | US4375942 Tilting cam, rotating barrel pump |
| 02/22/1983 | CA1141589A2 Feedback shaft extending between swashplate and displacement control valve |
| 02/16/1983 | EP0071890A1 Reciprocating or rotary piston engine with variable-volume end compression chamber |
| 02/15/1983 | US4373870 Variable capacity positive displacement type compressor |
| 02/15/1983 | US4373869 Warm-up valve in a variable displacement system |
| 02/15/1983 | US4373866 Process to control the delivery of a single screw compressor |
| 02/15/1983 | US4373865 Reciprocating controls of a hydraulically driven piston gas compressor |
| 02/15/1983 | US4373864 System for pumping fluids at constant pressure |
| 02/15/1983 | US4373525 Method and apparatus for detecting occlusion in fluid-infusion tube of peristaltic type fluid-infusion pump |
| 02/09/1983 | EP0070866A1 Fluid-pressure operated motors |
| 02/01/1983 | US4371316 Control for a bilge pump |
| 02/01/1983 | CA1140655A1 Electronic control for variable displacement pumps |
| 01/25/1983 | US4370105 Automatic pump for deep wells |
| 01/25/1983 | US4370100 Regulating devices for hydrostatic drive units |
| 01/25/1983 | US4370099 Discharge gas temperature control |
| 01/25/1983 | US4370098 Method and apparatus for monitoring and controlling on line dynamic operating conditions |
| 01/25/1983 | CA1140236A1 Control system for regulating large capacity rotating machinery |
| 01/12/1983 | EP0069612A1 Pump control by suction throttling with an incorporated pressure limitation |
| 01/04/1983 | US4366672 Pilot operated hydraulic device |
| 12/28/1982 | US4365645 Three-way flow-regulating valve |
| 12/21/1982 | USRE31107 Feedback shaft extending between swashplate and displacement control valve |
| 12/21/1982 | CA1137942A1 Air compressors |
| 12/15/1982 | EP0066874A2 Compressor drive controller |
| 12/15/1982 | EP0066698A1 Apparatus for preventing overcurrent draw in a hydraulic turbine drive centrifuge |
| 12/14/1982 | US4363605 Apparatus for generating an electrical signal which is proportional to the tension in a bridle |
| 12/14/1982 | US4363211 Quasi-open loop hydraulic ram incremental actuator with power conserving properties |
| 12/14/1982 | CA1137536A1 Ink drop compensation based on print-data blocks |
| 12/07/1982 | US4362475 Compressor inlet valve |
| 12/07/1982 | US4362472 Rotary compressor with variable built-in volume ratio |
| 12/01/1982 | EP0065654A2 Pomp for supplying fluid to a system |
| 12/01/1982 | EP0065653A2 Pomp for supplying fluid to a system |
| 11/30/1982 | US4361417 Oil-cooled compressor |
| 11/24/1982 | EP0065304A2 Electrohydraulic transmission |
| 11/23/1982 | US4360324 Pulsatile blood pump |
| 11/23/1982 | US4360322 Positive displacement pump systems |
| 11/16/1982 | US4359312 Reciprocating pump for the pulsation-free delivery of a liquid |
| 11/16/1982 | US4359130 Hydraulic system for responsive splitting of engine power |
| 11/16/1982 | US4358928 Altitude compensation vacuum pump control |
| 11/09/1982 | US4358250 Apparatus for harnessing and storage of wind energy |
| 11/09/1982 | US4358247 Oil cooled compressor |
| 11/09/1982 | CA1135158A1 Pressure override control |
| 11/03/1982 | EP0063727A2 Fluid pump |
| 11/02/1982 | US4357131 Detector for controlling the operation of a suction pump |
| 10/26/1982 | US4355959 Rotation sensor of a swash-plate type compressor |
| 10/26/1982 | US4355761 Pressure sensor and regulator for airless material coating system |
| 10/19/1982 | US4355365 Electronic intermitter |
| 10/19/1982 | US4355307 Safety stress shutdown switch |
| 10/19/1982 | CA1133792A1 Control circuit for variable displacement pumps with override valve |
| 10/14/1982 | WO1982003337A1 Unloading system for cryogenic pumps |
| 10/12/1982 | US4353682 Reciprocating gas compressor having suction shut-off unloading means |
| 10/12/1982 | CA1133357A1 Anti-stall controller |
| 10/06/1982 | EP0061759A1 Control system for hydraulic circuit means including a variable displacement pump and actuator means |
| 10/05/1982 | US4352636 Dual piston pump |
| 10/05/1982 | US4352319 Positive control for hydrostatic motors, especially radial piston motors |
| 09/28/1982 | US4351152 Electronic constant speed control for a hydrostatic transmission |
| 09/28/1982 | CA1132434A1 Servo-valve convertible construction |
| 09/22/1982 | EP0060247A1 Unloading means for flow-pressure compensated valve |
| 09/21/1982 | US4350476 Hydraulic motor system for driving a submersible impeller pump in which hydraulic surge at start-up and shut-down is cushioned |
| 09/21/1982 | US4350266 Pumping system for unstable fluids |
| 09/21/1982 | CA1132029A1 Apparatus for continuous slurry displacement transfer |
| 09/21/1982 | CA1131992A1 High pressure reciprocating pump |
| 09/21/1982 | CA1131933A1 Apparatus for drawing off fluid in a predetermined manner |
| 09/15/1982 | EP0060140A1 Scroll type compressor with displacement adjusting mechanism |
| 09/15/1982 | EP0059834A1 Compressor with refrigeration capacity control |
| 09/15/1982 | EP0059712A1 Improved load-plus valve for variable displacement pumps. |
| 09/15/1982 | EP0059710A1 Multiple pump system with horsepower limiting control |
| 09/15/1982 | EP0059709A1 Torque and high pressure limiting control for variable displacement pumps. |
| 09/15/1982 | EP0059708A1 Horsepower consumption control for variable displacement pumps. |
| 09/14/1982 | US4349321 Liquid dispensing systems |
| 09/14/1982 | US4349319 Pressure and flow compensated control system with constant torque and viscosity sensing over-ride |
| 09/14/1982 | US4348865 Helical gear machine with regulated outlet |