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Class Information
Number: 415/1
Name: Rotary kinetic fluid motors or pumps > Method of operation
Description: Process of ACQUISITION PROCUREMENT PLAN.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4697980 |
Adaptive gain compressor surge control system |
Oct. 6, 1987 |
| 4673330 |
Method for control of the function of a centrifugal pump |
Jun. 16, 1987 |
| 4662817 |
Apparatus and methods for preventing compressor surge |
May. 5, 1987 |
| 4656589 |
Method and apparatus for operating turbo compressor using analog and digital control schemes |
Apr. 7, 1987 |
| 4653976 |
Method of compressing a fluid flow in a multi stage centrifugal impeller |
Mar. 31, 1987 |
| 4643635 |
Vapor core centrifugal pump having main and low flow impellers |
Feb. 17, 1987 |
| 4640665 |
Method for controlling a multicompressor station |
Feb. 3, 1987 |
| 4640664 |
Methods of controlling operation of multistage hydraulic machines |
Feb. 3, 1987 |
| 4629393 |
Method of operating multistage hydraulic machinery |
Dec. 16, 1986 |
| 4618310 |
Method of multi-stage compressor surge control |
Oct. 21, 1986 |
| 4611969 |
Calibrating apparatus and method for a movable diffuser wall in a centrifugal compressor |
Sep. 16, 1986 |
| 4594050 |
Apparatus and method for detecting surge in a turbo compressor |
Jun. 10, 1986 |
| 4588352 |
Multistage hydraulic machine |
May. 13, 1986 |
| 4586870 |
Method and apparatus for regulating power consumption while controlling surge in a centrifugal compressor |
May. 6, 1986 |
| 4578017 |
Method for stopping a multi-stage hydraulic machine |
Mar. 25, 1986 |
| 4571151 |
Liquid injection control in multi-stage compressor |
Feb. 18, 1986 |
| 4568240 |
Method and apparatus for controlling multistage hydraulic machine |
Feb. 4, 1986 |
| 4563123 |
Direct coupling of a vortex injector to a centrifugal pump |
Jan. 7, 1986 |
| 4560319 |
Method and apparatus for controlling at least two parallel-connected turbocompressors |
Dec. 24, 1985 |
| 4547123 |
Multi-stage hydraulic machine and method of operating same |
Oct. 15, 1985 |
| 4543036 |
Fluid compressor control and operation |
Sep. 24, 1985 |
| 4538957 |
Multi-stage hydraulic machine and control method for multi-stage hydraulic machine |
Sep. 3, 1985 |
| 4537558 |
Multi-stage hydraulic machine and control method for a multi-stage hydraulic machine |
Aug. 27, 1985 |
| 4518438 |
Method of transport, cooling and compression of nitrogen oxide-containing gases |
May. 21, 1985 |
| 4514138 |
Leakage water discharge method and apparatus in a reversible hydraulic machine |
Apr. 30, 1985 |
| 4514137 |
Method for driving two-phase turbines with enhanced efficiency |
Apr. 30, 1985 |
| 4504187 |
Turbocharger method of operation and turbine housing therefor |
Mar. 12, 1985 |
| 4504188 |
Pressure variation absorber |
Mar. 12, 1985 |
| 4502835 |
Multistage hydraulic machine |
Mar. 5, 1985 |
| 4502831 |
Method of controlling operation of multistage hydraulic machines |
Mar. 5, 1985 |
| 4495035 |
Fluid handling method with improved purification |
Jan. 22, 1985 |
| 4493608 |
Surge control in compressor |
Jan. 15, 1985 |
| 4492514 |
Submerged pump assembly and method of making and using same |
Jan. 8, 1985 |
| 4490092 |
Containment structure |
Dec. 25, 1984 |
| 4487549 |
Apparatus for controlling operation of hydraulic machine |
Dec. 11, 1984 |
| 4486142 |
Method of automatic limitation for a controlled variable in a multivariable system |
Dec. 4, 1984 |
| 4479755 |
Compressor boundary layer bleeding system |
Oct. 30, 1984 |
| 4474528 |
Water wheel operation control method and apparatus therefor |
Oct. 2, 1984 |
| 4472104 |
Operation control method for multistage regulated hydraulic machine |
Sep. 18, 1984 |
| 4472103 |
Multistage hydraulic machines and methods of controlling operations thereof |
Sep. 18, 1984 |
| 4468167 |
Method of operating water-turbine or pump water-turbine |
Aug. 28, 1984 |
| 4465427 |
Air and oil cooled bearing package |
Aug. 14, 1984 |
| 4465428 |
Pipe fitting and method for draining a hydrotherapy pump |
Aug. 14, 1984 |
| 4464720 |
Centrifugal compressor surge control system |
Aug. 7, 1984 |
| 4460309 |
Compression section for an axial flow rotary machine |
Jul. 17, 1984 |
| 4457666 |
Apparatus and method for deriving energy from a moving gas stream |
Jul. 3, 1984 |
| 4433955 |
Turbine arrangement |
Feb. 28, 1984 |
| 4431370 |
Multistage hydraulic machines having air exhausting devices |
Feb. 14, 1984 |
| 4431373 |
Flow directing assembly for a gas turbine engine |
Feb. 14, 1984 |
| 4430042 |
Velocity pump reaction turbine |
Feb. 7, 1984 |
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