ClassID:

144144

F04D27/0215 - page 2 - CPC Classification

Classification description:

Control, e.g. regulation, of pumps, pumping installations or systems; Surge control by bleeding, bypassing or recycling fluids Arrangements therefor, e.g. bleed or by-pass valves

Recent Application in this class:
#301
20060239812
2006-10-26

Method of regulating the flow rate of air in a rotary shaft of a turbomachine

#302
20060104805
2006-05-18

Turbomachine with means for the creation of a peripheral jet on the stator

#303
20060081226
2006-04-20

Electrical charge air compressor provided with an integrated air cooling system

#304
20060070655
2006-04-06

Valve

#305
20060024153
2006-02-02

Controlling a plurality of devices

#306
20050152775
2005-07-14

Secondary flow control system

#307
20050118013
2005-06-02

Vacuum pumping arrangement

#308
20050106009
2005-05-19

Bleed housing

#309
20050103012
2005-05-19

External blow off conversion of compressor recirculation valve

#310
20050050900
2005-03-10

Multi-position BOV actuator

#311
20050019156
2005-01-27

Bleed valve system

#312
20050008476
2005-01-13

Inflatable compressor bleed valve system

#313
19191681
2026-02-03

Automatic bleed valve

#314
18759050
2024-12-17

Active fan tip treatment using rotating drum array in fan track liner with axial and circumferential channels for distortion tolerance

#315
18640404
2025-04-01

Bleed valve assembly with valve shims for varying bleed flow in gas turbine engine compressors and method for operating

#316
18525046
2025-02-11

Bleed valve assembly for aircraft engines

#317
18499790
2024-10-01

Systems and methods for maintaining the prime of a pump

#318
18341389
2024-04-23

Compressor system with remote-mounted recirculation valve

#319
18099004
2023-10-10

Scroll compressor

#320
18058459
2023-10-10

Valve assembly

#321
17991290
2024-02-20

Compressor startup

#322
17540677
2023-02-28

Compressor surge prevention control

#323
17455415
2022-11-15

Turbocharger waste gate poppet valve connected to rotary valve shaft by arm and retaining ring

#324
16447787
2020-11-03

Pneumatic controllers, pneumatically controlled inline valves, and methods of actuating inline valves