| Patents for F04D 27 - Control, e.g. regulation, of pumps, pumping nstallations or pumping systems specially adapted for elastic fluids (9,590) |
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| 06/10/1986 | US4594050 Apparatus and method for detecting surge in a turbo compressor |
| 05/28/1986 | CN85202876U Electro-controlled intermittently running electric fan |
| 05/27/1986 | US4590759 Method and apparatus for improving acceleration in a multi-shaft gas turbine engine |
| 05/20/1986 | US4589827 Electric motor fan |
| 05/06/1986 | US4586870 Method and apparatus for regulating power consumption while controlling surge in a centrifugal compressor |
| 04/30/1986 | EP0179658A2 Surge control system |
| 04/15/1986 | US4581900 Method and apparatus for detecting surge in centrifugal compressors driven by electric motors |
| 04/15/1986 | US4581888 In a gas turbine engine having a compressor |
| 04/08/1986 | US4580947 Method of controlling operation of a plurality of compressors |
| 03/26/1986 | EP0175476A2 Capacity control systems for inverter-driven centrifugal compressor based water chillers |
| 03/26/1986 | EP0175445A1 Compressor surge control |
| 03/25/1986 | US4578756 Adaptive electrostatic engine diagnostics |
| 03/25/1986 | US4578605 Electric motor with a system for monitoring speed |
| 03/19/1986 | EP0174892A1 Bypass valve for a compressor |
| 03/19/1986 | CN85201615U Control device for gradually reducing the wind of electric fan |
| 03/12/1986 | EP0174255A1 Valve ring structure for a compressor bypass valve |
| 03/11/1986 | US4574585 Compressor bleed valve |
| 02/18/1986 | US4571151 Liquid injection control in multi-stage compressor |
| 02/18/1986 | US4570849 Fan drive, particularly for cooling installation of vehicles |
| 01/21/1986 | US4565488 Compressor |
| 12/31/1985 | US4562531 Integrated control of output and surge for a dynamic compressor control system |
| 12/24/1985 | US4560319 Method and apparatus for controlling at least two parallel-connected turbocompressors |
| 12/17/1985 | US4558992 Pump device |
| 12/17/1985 | US4558987 Apparatus for regulating axial compressors |
| 11/27/1985 | EP0162652A2 System, apparatus, and method for detecting and controlling surge in a turbo compressor |
| 11/21/1985 | WO1985005046A1 Device for stirring or pumping |
| 11/05/1985 | US4550695 Fan device for internal combustion engine |
| 11/05/1985 | US4550564 Engine surge prevention system |
| 10/15/1985 | US4546939 Energy efficient ECS powered by a variable voltage/variable frequency power system |
| 10/15/1985 | US4546618 Capacity control systems for inverter-driven centrifugal compressor based water chillers |
| 10/08/1985 | US4545198 Gas turbine engine control system |
| 09/24/1985 | US4543036 Fluid compressor control and operation |
| 09/24/1985 | CA1194009A1 Vented compressor inlet guide |
| 09/10/1985 | US4540335 Controllable-pitch moving blade type axial fan |
| 08/07/1985 | EP0150729A2 Method and apparatus for improving acceleration in a multi-shaft gas turbine engine |
| 08/06/1985 | US4533293 Method of improving the part-load behavior of a turbo machine, and a compressor or pump adapted for use of such method |
| 07/16/1985 | US4528844 Stall/debris discriminating ionic engine diagnostics |
| 07/10/1985 | EP0148101A1 Method and apparatus for the control of a centrifugal compressor |
| 05/29/1985 | EP0142713A2 Ventilator drive for a cooling plant, especially for rail vehicles |
| 05/29/1985 | EP0142679A2 Airflow control apparatus |
| 05/28/1985 | US4519240 Electrostatic gas turbine surge/stall detection |
| 05/21/1985 | US4517803 Turbocharger compressor valve |
| 05/21/1985 | CA1187377A1 Check valve |
| 05/08/1985 | EP0140499A2 Compressor surge control |
| 05/07/1985 | US4515538 Ceiling fan |
| 05/07/1985 | US4515515 Compressor servomechanical regulator |
| 05/02/1985 | EP0139378A2 Dynamic compressor control system |
| 04/17/1985 | EP0137614A2 Compressor air bleed overide control system |
| 04/17/1985 | EP0137156A1 Airflow control system |
| 04/09/1985 | CA1185344A1 Centrifugal compressor surge control system |
| 03/27/1985 | EP0134981A2 Liquid injection control in multi-stage compressor |
| 03/12/1985 | US4503684 Control apparatus for centrifugal compressor |
| 03/05/1985 | US4502275 Compressor air bleed override control system |
| 02/19/1985 | USRE31835 Pneumatic supply system having variable geometry compressor |
| 02/19/1985 | US4499755 Emitted ion surge/stall detection |
| 02/13/1985 | EP0132487A2 Process for controlling at least two turbo compressors mounted in parallel |
| 02/05/1985 | US4497445 Diffusion apparatus |
| 01/15/1985 | US4494006 Method and apparatus for controlling a multicompressor station |
| 01/15/1985 | US4493608 Surge control in compressor |
| 01/02/1985 | EP0129888A2 Air flow controlling apparatus |
| 12/27/1984 | CA1179997A Screw compressor slide valve engine rpm tracking system |
| 12/04/1984 | US4486142 Method of automatic limitation for a controlled variable in a multivariable system |
| 10/31/1984 | EP0123515A1 Compressor apparatus |
| 10/30/1984 | US4479755 For controlling the fluid boundary layer in a compressor |
| 10/24/1984 | EP0122892A1 Method of producing a guide vane ring for a return flow passage in axial fans |
| 09/11/1984 | US4470256 Fluid compressor |
| 09/04/1984 | CA1173805A1 Compressor |
| 08/28/1984 | US4468171 Method of controlling air flow rate of fan |
| 08/07/1984 | US4464720 Centrifugal compressor surge control system |
| 08/07/1984 | US4463552 Combined surge bleed and dust removal system for a fan-jet engine |
| 07/31/1984 | US4462561 Energy efficient ECS powered by a variable voltage/variable frequency power system |
| 07/31/1984 | US4462217 Process and apparatus for the control of a volume of fluid moving through a duct system |
| 07/24/1984 | US4461340 Oil cooler |
| 07/24/1984 | US4461145 Stall elimination and restart enhancement device |
| 07/17/1984 | US4460310 Centrifugal vapor compressor |
| 07/17/1984 | US4459802 In a turbo-machine |
| 06/05/1984 | US4452585 Combustion air blower surge control for a melting furnace |
| 06/05/1984 | CA1168550A1 Check valve |
| 05/22/1984 | US4449358 Method and apparatus for promoting a surge condition in a gas turbine |
| 05/16/1984 | EP0108642A1 Pump device |
| 04/11/1984 | EP0046173B1 Rotary machine, particularly radial-flow compressor |
| 03/27/1984 | US4439095 Combustion air fan |
| 03/21/1984 | EP0103042A1 Fan comprising automatically adjustable blades about its longitudinal axis to avoid undesirable rotational speed |
| 03/06/1984 | CA1163252A1 Unloading means for a gas compressor |
| 02/28/1984 | CA1162748A1 Integrated multiplane actuator system for compressor variable vanes and air bleed valve |
| 02/21/1984 | US4432212 Hermetic turbo-refrigerator apparatus |
| 02/14/1984 | US4431374 Vortex controlled radial diffuser for centrifugal compressor |
| 02/14/1984 | US4430855 Process for detection of rotating stall |
| 02/01/1984 | EP0099847A1 Diffuser throttle ring control |
| 02/01/1984 | EP0099813A2 Method for the treatment of combustible gas, and installation for carrying out the method |
| 02/01/1984 | EP0099615A2 Centrifugal fan with flow control |
| 01/31/1984 | US4428714 Rotary apparatus |
| 01/31/1984 | US4428194 Compressor bleed air control apparatus and methods |
| 01/03/1984 | CA1159900A1 Compressor load control for an auxiliary power unit |
| 11/15/1983 | US4415310 System for cooling a gas turbine by bleeding air from the compressor |
| 11/08/1983 | US4413946 Vented compressor inlet guide |
| 11/02/1983 | EP0092955A2 Method and apparatus for controlling the fluid boundary layer in a compressor |
| 10/05/1983 | EP0090514A1 A temperature tracking D.C. motor speed controlled fan |
| 09/20/1983 | US4405290 Pneumatic supply system having variable geometry compressor |
| 09/13/1983 | US4403920 Device for regulating the output quantity of a compressed medium |