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ClassID:

144378 ⎘

F04D29/68 - CPC Classification

Classification description:

Details, component parts, or accessories; Combating cavitation, whirls, noise, vibration or the like ; Balancing by influencing boundary layers

Sub-classes:
Recent Application in this class:
#1
20240410397
2024-12-12

SHORT IMPELLER FOR A TURBOMACHINE

 #2
20240026794
2024-01-25

Flow deflector for aperture in gas turbine engine flowpath wall

 #3
20230374907
2023-11-23

Turbine

 #4
20220195918
2022-06-23

Compressor diffuser and diffuser pipes therefor

 #5
20220145893
2022-05-12

Impeller, multi-blade air-sending device, and air-conditioning apparatus

 #6
20220128071
2022-04-28

Device for increasing flow capacity of a fluid channel

 #7
20200056623
2020-02-20

Non-axisymmetric impeller hub flowpath

 #8
20200003219
2020-01-02

Wheel blade for turbomachine, comprising a winglet at its tip and at the leading edge

 #9
20190331134
2019-10-31

Method and arrangement to minimize noise and excitation of structures due to cavity acoustic modes

 #10
20190323356
2019-10-24

COMPRESSOR BLADE SURFACE PATTERNING

 #11
20190120059
2019-04-25

Geared gas turbine engine

 #12
20180335048
2018-11-22

Blower arrangement with flow dividing nozzle

 #13
20180223875
2018-08-09

Short impeller for a turbomachine

 #14
20160169017
2016-06-16

Circumferentially varying axial compressor endwall treatment for controlling leakage flow therein

 #15
20130156559
2013-06-20

Compressor and a turbine engine with optimized efficiency

 #16
20120100003
2012-04-26

Impeller and rotary machine

 #17
18234663
2024-08-20

Adjustable depth tip treatment with axial member with pockets for a fan of a gas turbine engine

 #18
18234661
2024-04-23

Adjustable air flow plenum with circumferential movable closure for a fan of a gas turbine engine

 #19
18234654
2024-04-30

Adjustable air flow plenum with pivoting vanes for a fan of a gas turbine engine