| Patents for F04C 28 - Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids (4,928) |
|---|
| 01/24/1984 | CA1161139A1 Capacity control systems for screw compressor based water chillers |
| 11/23/1983 | EP0094457A1 Safety arrangement for a vacuum pump |
| 11/15/1983 | US4415320 Sliding vane type rotary compressor |
| 11/08/1983 | US4413963 Self-controllable capacity compressor |
| 11/01/1983 | US4412788 Control system for screw compressor |
| 10/26/1983 | EP0091994A1 Apparatus for generating gas under pressure |
| 10/26/1983 | EP0091968A1 Compressor |
| 10/18/1983 | US4410299 Compressor having functions of discharge interruption and discharge control of pressurized gas |
| 10/11/1983 | US4408968 Rotary compressor |
| 10/04/1983 | US4407639 Compressor |
| 09/27/1983 | US4406589 Compressor |
| 09/15/1983 | WO1983003123A1 Rotary compressor |
| 09/13/1983 | US4403920 Device for regulating the output quantity of a compressed medium |
| 09/07/1983 | EP0087770A1 Variable-displacement rotary fluid compressor and air conditioning system using the compressor |
| 08/23/1983 | CA1152469A1 Compact oil separator for rotary compressor |
| 08/16/1983 | US4399548 Compressor surge counter |
| 08/16/1983 | US4398871 Movable end plate for a vacuum pump |
| 08/10/1983 | EP0085285A1 Compressor drive system |
| 08/10/1983 | EP0085247A1 A control device for a compressor in a refrigerating system |
| 08/10/1983 | EP0085246A1 A control circuit for a variable displacement air conditioning compressor |
| 08/10/1983 | EP0085245A1 A capacity control device for a compressor in a refrigerating system |
| 08/09/1983 | US4397618 Rolling piston compressor with locking device for the separating slide |
| 08/02/1983 | US4396345 Unloader valve having bypass valving means |
| 07/27/1983 | EP0084085A1 Vacuum pump with a suction branch valve, and method for its operation |
| 07/26/1983 | US4395203 Vane compressor having a discharge rate control |
| 06/22/1983 | EP0081711A1 Control device for a compressor |
| 06/21/1983 | US4389171 Gas compressor of the scroll type having reduced starting torque |
| 06/14/1983 | US4388048 Stepping type unloading system for helical screw rotary compressor |
| 06/14/1983 | US4388046 Rotary compressors |
| 05/26/1983 | WO1983001818A1 Compressor |
| 05/25/1983 | EP0022781B1 Gear machine |
| 05/24/1983 | US4384462 Multiple compressor refrigeration system and controller thereof |
| 05/17/1983 | US4383805 Gas compressor of the scroll type having delayed suction closing capacity modulation |
| 05/17/1983 | CA1146370A1 Reversible compressor heat pump |
| 05/11/1983 | WO1983001659A1 Compressor |
| 05/10/1983 | US4382370 Refrigerating system using scroll type compressor |
| 02/15/1983 | US4373866 Process to control the delivery of a single screw compressor |
| 02/15/1983 | US4373352 Variable displacement compressor |
| 01/26/1983 | EP0070617A2 Scroll type fluid displacement apparatus |
| 01/11/1983 | US4367638 Reversible compressor heat pump |
| 12/21/1982 | US4364714 Process to supercharge and control a single screw compressor |
| 12/08/1982 | EP0066255A1 External-axis rotary-piston blower |
| 12/07/1982 | US4362472 Rotary compressor with variable built-in volume ratio |
| 11/30/1982 | US4361417 Oil-cooled compressor |
| 11/10/1982 | EP0064356A1 A compressor |
| 11/09/1982 | US4358247 Oil cooled compressor |
| 09/28/1982 | US4351160 Capacity control systems for screw compressor based water chillers |
| 09/22/1982 | EP0060639A1 Improvements in screw compressors |
| 09/15/1982 | EP0060140A1 Scroll type compressor with displacement adjusting mechanism |
| 09/15/1982 | EP0059834A1 Compressor with refrigeration capacity control |
| 09/14/1982 | US4348865 Helical gear machine with regulated outlet |
| 08/04/1982 | EP0056888A1 Unloading means for a gas compressor |
| 08/03/1982 | US4342547 Rotary vane compressor with valve control of oil to bias the vanes |
| 08/03/1982 | US4342199 Screw compressor slide valve engine RPM tracking system |
| 06/30/1982 | EP0055084A1 Rotary compressors of sliding vane eccentric rotor type |
| 06/29/1982 | CA1126708A1 Scroll-type fluid compressor units |
| 06/22/1982 | US4336004 Movable end plate for a vacuum pump |
| 06/22/1982 | US4336001 Solid state compressor control system |
| 06/22/1982 | US4335582 Unloading control system for helical screw compressor refrigeration system |
| 04/07/1982 | EP0049030A1 Sliding vane type rotary compressor |
| 02/09/1982 | US4314796 Scroll-type compressor with thrust bearing lubricating and bypass means |
| 01/13/1982 | EP0043701A2 Capacity control for a scroll-type fluid displacement apparatus |
| 12/16/1981 | EP0041518A1 Drive transmission means |
| 11/10/1981 | US4299097 Vane type compressor employing elliptical-circular profile |
| 07/21/1981 | US4279578 Compact oil separator for rotary compressor |
| 07/08/1981 | EP0031758A2 Vacuum pump, particularly for diesel engines |
| 06/25/1981 | WO1981001729A1 Drive transmission means |
| 06/02/1981 | US4270885 Unloading means for a gas compressor |
| 05/05/1981 | US4265603 Refrigerant compressor for air conditioning of vehicles |
| 03/24/1981 | US4257747 Monitoring machinery by detecting vibrations |
| 03/03/1981 | US4253805 Rotary compressor |
| 02/10/1981 | US4249866 Control system for screw compressor |
| 02/03/1981 | USRE30499 Injection cooling of screw compressors |
| 01/28/1981 | EP0022781A1 Gear machine. |
| 12/16/1980 | US4239466 Rotary machine with adjustable means for its eccentric rotor |
| 11/18/1980 | US4234296 Screw compressor |
| 10/21/1980 | US4229147 Rotary positive-displacement pump |
| 10/14/1980 | US4227862 Solid state compressor control system |
| 09/16/1980 | US4222715 Device for delivery control in a rotary piston compressor |
| 09/02/1980 | US4220197 High speed variable delivery helical screw compressor/expander automotive air conditioning and waste heat energy _recovery system |
| 08/26/1980 | US4219314 Rolling piston rotary compressor |
| 08/26/1980 | US4219312 Volume control system for compressor unit |
| 07/15/1980 | US4212599 Method and device for regulating the output quantity of compressed medium of single and multi-stage screw and turbo compressor systems |
| 04/15/1980 | US4197719 Tri-level multi-cylinder reciprocating compressor heat pump system |
| 04/08/1980 | US4196595 Integrated thermal solar heat pump system |
| 04/03/1980 | WO1980000591A1 Gear machine |
| 04/02/1980 | EP0009350A1 Scroll-type fluid compressor units |
| 03/25/1980 | CA1074272A1 Rotary air compressors |
| 03/18/1980 | US4193742 Vacuum pump assembly with built-in shutoff valve |
| 01/29/1980 | US4185465 Multi-step regenerated organic fluid helical screw expander hermetic induction generator system |
| 01/01/1980 | US4180986 Refrigeration system on/off cycle |
| 11/14/1979 | EP0005327A1 Gear train for driving a screw compressor with means for speed variation |
| 10/16/1979 | US4171188 Rotary air compressors with intake valve control and lubrication system |
| 10/09/1979 | CA1063987A1 Compressor startup control |
| 07/10/1979 | CA1058129A1 Control system for variable capacity gas compressor |
| 05/08/1979 | US4152902 Control for refrigeration compressors |
| 04/17/1979 | US4149827 Method and apparatus for controlling operation of a compressor |
| 04/03/1979 | US4147475 Control system for helical screw compressor |
| 02/06/1979 | US4137726 Capacity control system of compressor for heat-pump refrigeration unit |
| 01/30/1979 | US4137018 Rotary vane variable capacity compressor |