F15D1/0025 - CPC Classification Index

ClassID:

146561 ⎘

F15D1/0025 - CPC Classification

Classification description:

Influencing flow of fluids by influencing the boundary layer using passive means, i.e. without external energy supply

Sub-classes:

F15D1/003 » {comprising surface features, e.g. indentations or protrusions } 36
F15D1/0055 » {comprising apertures in the surface, through which fluid is withdrawn from or injected into the flow} 23
F15D1/006 » {comprising moving surfaces, wherein the surface, or at least a portion thereof is moved or deformed by the fluid flow} 9

Recent Application in this class:

20230182890

2023-06-15

Removable passive airflow oscillation device and system

20220177118

2022-06-09

Landing gear system for an aircraft

20210364018

2021-11-25

Fluid flow enhancing device and culvert comprising same

20210339561

2021-11-04

Drag-reducing shaft tailfin for vehicles

20210270298

2021-09-02

Flow conditioning assembly

20210114742

2021-04-22

Cooling system

20200406669

2020-12-31

Minimizing drag-induced forces on a wheeled vehicle

20200378414

2020-12-03

Flow conditioning assembly

20200223534

2020-07-16

Removable passive airflow oscillation device and system

#10

20200088555

2020-03-19

Flow restricting fluid component

#11

20200023988

2020-01-23

Apparatus for boundary layer air inlet utilization

#12

20190293094

2019-09-26

Unidirectional liquid transport systems and methods of manufacture thereof

#13

20190264916

2019-08-29

System and method for optimizing passive control of oscillatory instabilities in turbulent flows

#14

20190075743

2019-03-14

A system for improving fluid circulation in a raceway pond

#15

20180306216

2018-10-25

Flow Conditioners for Use Normalizing Flow in Meters and Related Systems

#16

20180170457

2018-06-21

Downforce generating duct for a vehicle

#17

20170218777

2017-08-03

Structure with rigid winglet adapted to traverse a fluid environment

#18

20170051769

2017-02-23

Water resistant vent in an electronic device

#19

20170045282

2017-02-16

Drain Flushing System

#20

20160376929

2016-12-29

Turbine exhaust cylinder strut strip for shock induced oscillation control

#21

20160281750

2016-09-29

INTERFACIAL SURFACE GENERATORS AND METHODS OF MANUFACTURE THEREOF

#22

20160258454

2016-09-08

System for improving the fluid circulation in a fluid-body

#23

20160097410

2016-04-07

Phononic materials used to control flow behavior

#24

20160031550

2016-02-04

Submerged vortex generator

#25

20160010671

2016-01-14

Method and devices for discharging contaminants out of a seal chamber

#26

20150292533

2015-10-15

Noise control of cavity flows using active and/or passive receptive channels

#27

20150211640

2015-07-30

Fill valve apparatus

#28

20140127091

2014-05-08

Heat transfer tube and cracking furnace using the heat transfer tube

#29

20100226767

2010-09-09

DIFFUSER ARRANGEMENT

#30

20100173544

2010-07-08

Floatable unit for evacuation purposes

#31

16878252

2020-11-24

Fluid flow enhancing device and culvert comprising same

#32

16420666

2020-10-06

Foldable aerodynamic drag reducing plate assembly for an intermodal container