ClassID:

142759

F04B11/0016 - CPC Classification

Classification description:

Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation using accumulators with a fluid spring

Sub-classes:
Recent Application in this class:
#1
20250213774
2025-07-03

DAMPENING ELEMENT FOR FLUID MANAGEMENT SYSTEM

#2
20240208613
2024-06-27

Bilge System

#3
20230220853
2023-07-13

Systems and methods for managing noise in compact high speed and high force hydraulic actuators

#4
20230204051
2023-06-29

Automatic fluid pump inlet stabilizers and vacuum regulators

#5
20230046159
2023-02-16

Electronically Controlled Pump System

#6
20220341406
2022-10-27

Automatic fluid pump inlet stabilizers and vacuum regulators

#7
20220186717
2022-06-16

Pump and associated system and methods

#8
20210293257
2021-09-23

Gas-liquid Coupling Type Fluid Pulsation Attenuator

#9
20210231113
2021-07-29

Pulsation damping system

#10
20200408347
2020-12-31

Nested pre-charge cartridges

#11
20200391825
2020-12-17

Bilge system

#12
20200200313
2020-06-25

Dampening element for fluid management system

#13
20200159112
2020-05-21

Pulsation dampener with gas retention

#14
20200088214
2020-03-19

Systems and methods for managing noise in compact high speed and high force hydraulic actuators

#15
20200032779
2020-01-30

Cellular tube for replacement of traditional gas-charged cartridges in suction stabilizers

#16
20190368454
2019-12-05

High-pressure fuel supply pump

#17
20190050004
2019-02-14

Active surge chamber

#18
20190048837
2019-02-14

Fuel Pump For A Fuel Injection System

#19
20190024646
2019-01-24

High-pressure fuel pump

#20
20180328328
2018-11-15

Pulsation damper and fuel pump device

#21
20180328322
2018-11-15

Pulsation damper and fuel pump device

#22
20180313313
2018-11-01

High-pressure fuel supply pump, manufacturing method thereof, and method of bonding two members

#23
20180274525
2018-09-27

Diaphragm cell for damping pressure pulsations in a low-pressure region of a piston pump

#24
20180258892
2018-09-13

High-pressure fuel pump for a fuel injection system

#25
20180250455
2018-09-06

Breast pump

#26
20180223782
2018-08-09

Damper device with a plurality of stacked diaphragms coupled together by a coupler having holders forming a space provided between a peripheral weld of the diaphragms and the coupler

#27
20180209389
2018-07-26

Diaphragm damper

#28
20180163713
2018-06-14

SYSTEMS, APPARATUSES, AND METHODS FOR CELL SORTING AND FLOW CYTOMETRY

#29
20170335833
2017-11-23

Systems and methods for hydrate management

#30
20170009928
2017-01-12

Pulsation damping system

#31
20160341347
2016-11-24

Manifold and methods of manufacturing same

#32
20160258402
2016-09-08

Automotive fuel pump

#33
20160195084
2016-07-07

Damper for a high-pressure pump

#34
20150152862
2015-06-04

High pressure pump with pressurizing chamber

#35
20140219848
2014-08-07

Hydraulic motor-pump with fixed or variable displacement

#36
20140199194
2014-07-17

Fuel pump

#37
20140130887
2014-05-15

Manifold and methods of manufacturing same

#38
20130092020
2013-04-18

Fluid pressure driven motor with pressure compensation chamber

#39
20130052064
2013-02-28

High pressure pump

#40
20120195780
2012-08-02

High pressure pump with pressurizing chamber enclosed within cylinder inserted into housing

#41
20120137667
2012-06-07

Regenerative hydraulic pump

#42
20110196303
2011-08-11

Flow pulsatility dampening devices

#43
20110103985
2011-05-05

Fuel pump with an improved damping device for a direct injection system

#44
20090205731
2009-08-20

Hydraulic accumulator

#45
20090196778
2009-08-06

Liquid discharge control apparatus including a pump and accumulator with a movable member

#46
20090044783
2009-02-19

Fuel pump for a fuel system of an internal combustion engine

#47
20080314238
2008-12-25

Reciprocating-piston pump for feeding a liquid

#48
20080289713
2008-11-27

Fluid pressure pulsation damper mechanism and high-pressure fuel pump equipped with fluid pressure pulsation damper mechanism

#49
20080156294
2008-07-03

Fuel Delivery System For An Internal Combustion Engine

#50
20070107698
2007-05-17

High pressure fuel pump provided with damper

#51
20070079810
2007-04-12

Damper mechanism and high pressure fuel pump

#52
20060165541
2006-07-27

Bellows Pump

#53
20060034709
2006-02-16

Linear pump with exhaust pulsation attenuation

#54
20050019188
2005-01-27

Damper mechanism and high pressure fuel pump