TREA

Frequence of the electric current

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  • CPC
  • F04B2203/0404
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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F04Liquid pumps F04BPOSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS F04B2203/00Motor parameters

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F04B2203/0404Frequence of the electric current
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Fluid control device
    • Patent number 11,698,067
    • Issue date Jul 11, 2023
    • Murata Manufacturing Co., Ltd.
    • Yutoku Kawabata
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electronic vaporiser system
    • Patent number 11,571,019
    • Issue date Feb 7, 2023
    • AYR LTD.
    • Ian Murison
    • B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
  • Information Patent Grant

    Linear compressor and method for controlling the same
    • Patent number 11,434,886
    • Issue date Sep 6, 2022
    • LG Electronics Inc.
    • Daegeun Park
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Linear motor system and compressor
    • Patent number 11,411,522
    • Issue date Aug 9, 2022
    • Hitachi, Ltd.
    • Takahiro Suzuki
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Linear motor control apparatus and compressor equipped with the same
    • Patent number 11,329,541
    • Issue date May 10, 2022
    • Hitachi Astemo, Ltd.
    • Takahiro Suzuki
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Method for controlling motor-driven pump in a fluid system
    • Patent number 11,290,049
    • Issue date Mar 29, 2022
    • Chuh Hwa Luh
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electric control module solenoid pump
    • Patent number 11,255,318
    • Issue date Feb 22, 2022
    • Motor Components, LLC
    • Matthew J. Gibson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Operating method and actuation device for a piston pump
    • Patent number 10,989,186
    • Issue date Apr 27, 2021
    • Robert Bosch GmbH
    • Andrea Krusch
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Linear motor system and compressor
    • Patent number 10,784,809
    • Issue date Sep 22, 2020
    • Hitachi, Ltd.
    • Takahiro Suzuki
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump having a top portion fixed to an external structure
    • Patent number 10,697,450
    • Issue date Jun 30, 2020
    • Murata Manufacturing Co., Ltd.
    • Nobuhira Tanaka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Linear compressor, and apparatus and method for controlling a linea...
    • Patent number 10,598,175
    • Issue date Mar 24, 2020
    • LG Electronics Inc.
    • Kyoungseok Kang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Miniature pneumatic device
    • Patent number 10,487,820
    • Issue date Nov 26, 2019
    • Microjet Technology Co., Ltd.
    • Shih-Chang Chen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Miniature fluid control device
    • Patent number 10,487,821
    • Issue date Nov 26, 2019
    • Microjet Technology Co., Ltd.
    • Shih-Chang Chen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Miniature pneumatic device
    • Patent number 10,451,051
    • Issue date Oct 22, 2019
    • Microjet Technology Co., Ltd.
    • Shih-Chang Chen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Blower with a vibrating body having a restraining plate located on...
    • Patent number 10,260,495
    • Issue date Apr 16, 2019
    • Murata Manufacturing Co., Ltd.
    • Masahiro Sasaki
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hybrid cargo handling method of oil tanker and cargo pump prime mov...
    • Patent number 10,189,547
    • Issue date Jan 29, 2019
    • Nobuyoshi Morimoto
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Machine including compressor controlling apparatus and method
    • Patent number 9,441,621
    • Issue date Sep 13, 2016
    • LG Electronics Inc.
    • Jaeyoo Yoo
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    System and method for controlling the stroke and operation at reson...
    • Patent number 9,306,486
    • Issue date Apr 5, 2016
    • Whirlpool S.A.
    • Douglas Pereira da Silva
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Controlling apparatus for linear compressor
    • Patent number 8,430,642
    • Issue date Apr 30, 2013
    • LG Electronics Inc.
    • Jung-wan Heo
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Control apparatus for linear compressor
    • Patent number 7,859,801
    • Issue date Dec 28, 2010
    • LG Electronics Inc.
    • Chulgi Roh
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Apparatus and method for controlling operation of compressor
    • Patent number 7,520,730
    • Issue date Apr 21, 2009
    • LG Electronics Inc.
    • Jae-Yoo Yoo
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    System and method for controlling linear compressor
    • Patent number 7,405,529
    • Issue date Jul 29, 2008
    • Samsung Electronics Co., Ltd.
    • Nam Su Kim
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Motor driving apparatus
    • Patent number 7,151,348
    • Issue date Dec 19, 2006
    • Matsushita Electric Industrila Co., Ltd.
    • Mitsuo Ueda
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Driving apparatus of a linear motor
    • Patent number 6,960,893
    • Issue date Nov 1, 2005
    • Matsushita Electric Industrial Co., Ltd.
    • Makoto Yoshida
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Linear motor
    • Patent number 6,864,647
    • Issue date Mar 8, 2005
    • Fisher & Paykel Limited
    • Gerald David Duncan
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Driving apparatus of a linear compressor
    • Patent number 6,832,898
    • Issue date Dec 21, 2004
    • Matsushita Electric Industrial Co., Ltd.
    • Makoto Yoshida
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Linear motor
    • Patent number 6,815,847
    • Issue date Nov 9, 2004
    • Fisher & Paykel Limited
    • Gerald David Duncan
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Linear motor
    • Patent number 6,809,434
    • Issue date Oct 26, 2004
    • Fisher & Paykel Limited
    • Gerald David Duncan
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Linear compressor drive device
    • Patent number 6,753,665
    • Issue date Jun 22, 2004
    • Matsushita Electric Industrial Co., Ltd.
    • Mitsuo Ueda
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Operation control method resonance frequency of reciprocating compr...
    • Patent number 6,746,211
    • Issue date Jun 8, 2004
    • LG Electronics Inc.
    • Kye-Si Kwon
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    MICROFLUIDIC PUMP CONTROL
    • Publication number 20240247651
    • Publication date Jul 25, 2024
    • LEE VENTUS LIMITED
    • James Samuel BUMBY
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FLUID CONTROL DEVICE
    • Publication number 20230313790
    • Publication date Oct 5, 2023
    • MURATA MANUFACTURING CO., LTD.
    • Yutoku KAWABATA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    METHOD FOR CONTROLLING MOTOR-DRIVEN PUMP IN A FLUID SYSTEM
    • Publication number 20210028738
    • Publication date Jan 28, 2021
    • Chuh Hwa Luh
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    LINEAR MOTOR CONTROL APPARATUS AND COMPRESSOR EQUIPPED WITH THE SAME
    • Publication number 20200195119
    • Publication date Jun 18, 2020
    • Hitachi Automotive Systems, Ltd.
    • Takahiro SUZUKI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Linear Motor System and Compressor
    • Publication number 20190170130
    • Publication date Jun 6, 2019
    • Hitachi, Ltd
    • Takahiro SUZUKI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ELECTRIC CONTROL MODULE SOLENOID PUMP
    • Publication number 20190145393
    • Publication date May 16, 2019
    • MOTOR COMPONENTS, LLC
    • Matthew J. Gibson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Solenoid Pump Driver
    • Publication number 20180320673
    • Publication date Nov 8, 2018
    • Aspen Pumps Limited
    • Gary Haffenden
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MINIATURE PNEUMATIC DEVICE
    • Publication number 20170218939
    • Publication date Aug 3, 2017
    • Microjet Technology Co., Ltd.
    • Shih-Chang Chen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MINIATURE PNEUMATIC DEVICE
    • Publication number 20170218938
    • Publication date Aug 3, 2017
    • Microjet Technology Co., Ltd.
    • Shih-Chang Chen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SYSTEM AND METHOD FOR CONTROLLING THE STROKE AND OPERATION AT RESON...
    • Publication number 20140340003
    • Publication date Nov 20, 2014
    • WHIRLPOOL S.A.
    • Douglas Pereira da Silvia
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MACHINE INCLUDING COMPRESSOR CONTROLLING APPARATUS AND METHOD
    • Publication number 20120315153
    • Publication date Dec 13, 2012
    • Jaeyoo Yoo
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Linear Compressor
    • Publication number 20090232666
    • Publication date Sep 17, 2009
    • LG Electronics, Inc.
    • Bong-Jun Choi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Control Apparatus For Linear Compressor
    • Publication number 20090206778
    • Publication date Aug 20, 2009
    • LG ELECTRONICS INC.
    • Chulgi Roh
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CONTROLLING APPARATUS FOR LINEAR COMPRESSOR
    • Publication number 20090208347
    • Publication date Aug 20, 2009
    • Jung-wan Heo
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SOLENOID PUMP
    • Publication number 20080267798
    • Publication date Oct 30, 2008
    • Johnson Electric S.A.
    • Bao Ting Liu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CAPACITY CONTROL OF A COMPRESSOR
    • Publication number 20070286751
    • Publication date Dec 13, 2007
    • Tecumseh Products Company
    • Dan M. Manole
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Vibration control of free piston machines through frequency adjustment
    • Publication number 20070256428
    • Publication date Nov 8, 2007
    • Sunpower, Inc.
    • Reuven Z-M Unger
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    System and method for controlling linear compressor
    • Publication number 20060257264
    • Publication date Nov 16, 2006
    • Samsung Electronics Co., Ltd.
    • Nam Su Kim
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    System for adjusting resonance frequencies in a linear compressor
    • Publication number 20060110259
    • Publication date May 25, 2006
    • Empresa Brasilerira De Compressores S.A. Embraco
    • Rinaldo Puff
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Apparatus and method for controlling operation of compressor
    • Publication number 20060056980
    • Publication date Mar 16, 2006
    • LG Electronics Inc.
    • Jae-Yoo Yoo
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Reciprocating compressor, driving unit and control method for the same
    • Publication number 20050271526
    • Publication date Dec 8, 2005
    • Samsung Electronics Co., Ltd.
    • Keun Sik Chang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Linear motor
    • Publication number 20040234394
    • Publication date Nov 25, 2004
    • FISHER & PAYKEL LIMITED
    • Gerald David Duncan
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Linear motor
    • Publication number 20040189103
    • Publication date Sep 30, 2004
    • FISHER & PAYKEL LIMITED
    • Gerald David Duncan
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Driving apparatus of a linear motor
    • Publication number 20040005222
    • Publication date Jan 8, 2004
    • Makoto Yoshida
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Operation control method of reciprocating compressor
    • Publication number 20030175125
    • Publication date Sep 18, 2003
    • Kye-si Kwon
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Linear compressor drive device
    • Publication number 20030164691
    • Publication date Sep 4, 2003
    • Mitsuo Ueda
    • G05 - CONTROLLING REGULATING
  • Information Patent Application

    Driving apparatus of a linear compressor
    • Publication number 20030108430
    • Publication date Jun 12, 2003
    • Matsushita Electric Industrial Co., Ltd.
    • Makoto Yoshida
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...