Patents for F04D 27 - Control, e.g. regulation, of pumps, pumping nstallations or pumping systems specially adapted for elastic fluids (9,590) |
---|
08/12/1980 | US4216672 Apparatus for detecting and indicating the occurrence of a gas turbine engine compressor stall |
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 |
07/15/1980 | US4212585 Centrifugal compressor |
07/09/1980 | EP0012895A1 Centrifugal vapor compressor and a diffuser control therefor |
07/08/1980 | USRE30329 Method and apparatus for antisurge protection of a dynamic compressor |
06/10/1980 | US4207031 Dual speed rotary vane pump |
06/03/1980 | US4205941 Methods and apparatuses for avoiding surging phenomena in compressors |
05/20/1980 | US4203701 Surge control for centrifugal compressors |
04/08/1980 | CA1075159A1 Supersonic compressor with off-design performance improvement |
04/01/1980 | US4196472 Stall control apparatus for axial flow compressors |
03/04/1980 | US4191511 Compressor control |
02/12/1980 | CA1071434A1 Stall detector for a gas turbine engine |
01/08/1980 | US4182117 Diffuser vane cusp bleed aperture with automatic ejector control device |
12/11/1979 | US4177649 Surge suppression apparatus for compressor-driven system |
12/04/1979 | US4177023 Pneumatic system for smoothing discharge pressure from air |
11/27/1979 | US4175382 Steam power plant with pressure-fired boiler |
10/23/1979 | US4171931 Apparatus for abating noise in axial blower |
10/03/1979 | EP0004448A1 Method and apparatus for control of a cooling system |
08/21/1979 | US4164845 Rotary compressors |
08/07/1979 | US4164035 Surge control for variable speed-variable geometry compressors |
08/07/1979 | US4164034 Compressor surge control with pressure rate of change control |
08/07/1979 | US4164033 Compressor surge control with airflow measurement |
07/10/1979 | CA1058129A1 Control system for variable capacity gas compressor |
06/19/1979 | US4158527 Adjustable speed drive system for centrifugal fan |
06/13/1979 | EP0002360A1 Method for automatically limiting one controlled variable of a multivariable system and apparatus for antisurge protection of a dynamic compressor |
05/29/1979 | US4156578 Control of centrifugal compressors |
05/01/1979 | US4151725 Control system for regulating large capacity rotating machinery |
04/17/1979 | CA1052753A2 Control system for helical screw compressor |
04/03/1979 | US4147473 Method of regulating multistage axial compressor output and an axial compressor for carrying same into effect |
03/20/1979 | CA1050775A1 Compressor bleed system |
03/06/1979 | US4142838 Method and apparatus for preventing surge in a dynamic compressor |
02/13/1979 | US4139328 Method of operating large turbo compressors |
02/06/1979 | US4137710 Surge detector for gas turbine engines |
01/23/1979 | US4135854 Control system for variable pitch axial fan for utility boiler |
01/23/1979 | US4135850 Ventilator system with adjustable damper fan |
12/19/1978 | CA1044672A1 Ventilator system with adjustable damper fan |
12/05/1978 | US4128831 Device for the continuous monitoring of oil leaks on oxygen compressors |
10/31/1978 | US4123196 Supersonic compressor with off-design performance improvement |
10/31/1978 | US4122668 Iris control for gas turbine engine air brake |
10/10/1978 | US4119391 Methods and systems for controlling the operation of means for compressing a fluid medium and the corresponding networks |
10/10/1978 | CA1040051A1 Method and systems for controlling the operation of means for compressing a fluid medium and the corresponding networks |
09/26/1978 | US4116584 Device for extending the working range of axial flow compressors |
09/26/1978 | US4116318 Fluid flow restriction path in viscous fluid clutch |
08/01/1978 | US4103544 Turbine engine surge detector |
07/25/1978 | US4102604 Method and apparatus for noninteracting control of a dynamic compressor having rotating vanes |
07/25/1978 | US4102595 Bleed valve control system |
06/13/1978 | USRE29667 Compressor surge sensor |
05/02/1978 | US4086761 Stator bypass system for turbofan engine |
04/25/1978 | US4086022 Gas turbine engine with improved compressor casing for permitting higher air flow and pressure ratios before surge |
04/25/1978 | US4085594 Control system for cooling tower fans |
04/18/1978 | US4084406 Chiller controls |
03/07/1978 | US4077743 Compression machinery method and apparatus |
12/20/1977 | US4063848 Centrifugal compressor vaneless space casing treatment |
12/06/1977 | US4060980 Stall detector for a gas turbine engine |
11/01/1977 | US4055994 Method and a device for detecting the stall condition of an axial flow fan or compressor |
11/01/1977 | US4055946 Twin-spool gas turbine power plant with means to spill compressor interstage airflow |
09/27/1977 | US4050853 Rain-responsive control |
09/20/1977 | US4049363 Axial flow fan with adjustable blades |
09/06/1977 | US4046490 Method and apparatus for antisurge protection of a dynamic compressor |
08/02/1977 | US4039267 Method and apparatus for starting a blower |
04/05/1977 | US4015436 Method for controlling the capacity of a blower and a device for controlling the pressure in a liquefied gas storage tank utilizing said method |
03/15/1977 | US4011904 Combination heat exchanger and blower |
03/15/1977 | US4011735 Blower system and control system therefor |
02/22/1977 | US4008977 Compressor bleed system |
02/01/1977 | US4005612 Preloaded anti-rattle device |
12/14/1976 | US3996964 Control apparatus particularly for a plurality of compressor bleed valves of a gas turbine engine |
11/30/1976 | US3994623 Method and apparatus for controlling a dynamic compressor |
11/30/1976 | US3994617 Control apparatus particularly for a plurality of compressor bleed valves of a gas turbine engine |
11/23/1976 | US3993414 Supersonic compressors |
11/23/1976 | US3992883 Fan drive systems |
10/26/1976 | US3987998 Servo valve control system |
09/07/1976 | US3979655 Control system for controlling a dynamic compressor |
08/31/1976 | USRE28946 Blower system and control system therefor |
08/31/1976 | US3977184 Electric power plant having a gas turbine with an improved wide range surge protection system |
08/24/1976 | US3976394 Interstage bleed assembly |
08/24/1976 | US3976390 Means for controlling flow instability in centrifugal compressors |
08/17/1976 | US3974645 Control apparatus for matching the exhaust flow of a gas turbine employed in a combined cycle electric power generating plant to the requirements of a steam generator also employed therein |
08/10/1976 | US3973657 Variable speed fan for heat exchangers |
08/03/1976 | US3972642 Gas turbine |
08/03/1976 | US3972641 Compressor bleed sensor and control for turbine type power plants |
06/22/1976 | US3964257 Device for boosting and bleeding a gas turbine engine |
06/15/1976 | US3963367 Turbine surge detection system |
05/18/1976 | US3958100 Means for preventing heat build-up in a wall-mounted room ventilator |
05/18/1976 | US3957392 Self-aligning vanes for a turbomachine |
04/20/1976 | US3951566 Axial-flow fan with by-pass pipe or pipes |
03/23/1976 | US3945762 Hydraulic guide-wheel adjusting mechanism |
03/23/1976 | US3945759 Bleed air manifold |
02/10/1976 | US3937588 Emergency control system for gas turbine engine variable compressor vanes |
01/27/1976 | US3935558 Surge detector for turbine engines |
01/06/1976 | US3930742 Velocity probe for compressor surge control |