TREA

Spool type distribution valves

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Industry

  • CPC
  • F04C2/106
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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F04Liquid pumps F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS F04C2/00Rotary-piston machines or pumps

Current Industry

F04C2/106Spool type distribution valves
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Torque-generating steering device
    • Patent number 9,512,838
    • Issue date Dec 6, 2016
    • Eaton Corporation
    • Aaron Kelly Krahn
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Gerotor motor and brake assembly
    • Patent number 8,182,250
    • Issue date May 22, 2012
    • White Drive Products, Inc.
    • Hollis N. White, Jr.
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Gerotor motor and brake assembly
    • Patent number 7,695,258
    • Issue date Apr 13, 2010
    • White Drive Products, Inc.
    • Hollis N. White, Jr.
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vented high pressure shaft seal
    • Patent number 7,125,020
    • Issue date Oct 24, 2006
    • Eaton Corporation
    • James M. LeClair, Jr.
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Functionalties of axially movable spool valve
    • Patent number 6,832,903
    • Issue date Dec 21, 2004
    • Sauer-Danfoss ApS
    • Hans Christian Petersen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hydraulic motor with a separate spool valve
    • Patent number 6,783,339
    • Issue date Aug 31, 2004
    • Parker-Hannifin Corporation
    • Xingen Jeffrey Dong
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hydraulic motor having multiple speed ratio capability
    • Patent number 6,544,018
    • Issue date Apr 8, 2003
    • Eaton Corporation
    • John B. Heckel
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Transistion valving for gerotor motors
    • Patent number 6,126,424
    • Issue date Oct 3, 2000
    • Eaton Corporation
    • Wayne B. Wenker
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Gerotor motor and improved spool valve therefor
    • Patent number 6,033,195
    • Issue date Mar 7, 2000
    • Eaton Corporation
    • Sohal L. Uppal
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hydraulic machine having axial user ports
    • Patent number 5,180,296
    • Issue date Jan 19, 1993
    • Mannesmann-Rexroth GmbH
    • Horst Mehling
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hydraulic rotary piston engine having inproved commutator valve
    • Patent number 4,934,911
    • Issue date Jun 19, 1990
    • Mannesmann Rexroth GmbH
    • Ewald Schulz
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hydrostatic steering device
    • Patent number 4,858,714
    • Issue date Aug 22, 1989
    • Hollis N. White
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Motor with improved low-speed operation
    • Patent number 4,592,704
    • Issue date Jun 3, 1986
    • Eaton Corporation
    • George S. Beniek
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hydrostatic steering unit with cylindrical slide member within clin...
    • Patent number 4,494,915
    • Issue date Jan 22, 1985
    • Hollis N. White
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary fluid pressure device
    • Patent number 4,451,217
    • Issue date May 29, 1984
    • Harvey C. White
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Rotary type machine with check valves for relieving internal pressures
    • Patent number 4,432,710
    • Issue date Feb 21, 1984
    • Danfoss A/S
    • Christian B. Hansen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Distributor valve for hydraulic planetary piston machine
    • Patent number 4,323,335
    • Issue date Apr 6, 1982
    • Danfoss A/S
    • Christian B. Hansen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hydraulic rotary toothed piston engine with flow through the toothe...
    • Patent number 4,295,805
    • Issue date Oct 20, 1981
    • Zahnradfabrik Friedrichshafen, AG
    • Karl-Heinz Liebert
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary fluid pressure device
    • Patent number 4,285,643
    • Issue date Aug 25, 1981
    • Harvey C. White
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Fluid pressure operated wheel drive
    • Patent number 4,253,807
    • Issue date Mar 3, 1981
    • Eaton Corporation
    • James H. Pahl
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Distributing valve on a hydraulic rotary piston engine
    • Patent number 4,106,883
    • Issue date Aug 15, 1978
    • Danfoss A/S
    • Gunnar Lyshoj Hansen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Combined distributor and bypass valve for fluid actuated pump or motor
    • Patent number 4,076,462
    • Issue date Feb 28, 1978
    • W. H. Nichols Company
    • John J. Pippenger
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3910732
    • Patent number 3,910,732
    • Issue date Oct 7, 1975
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    3887308
    • Patent number 3,887,308
    • Issue date Jun 3, 1975
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3653454
    • Patent number 3,653,454
    • Issue date Apr 4, 1972
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    3606598
    • Patent number 3,606,598
    • Issue date Sep 20, 1971
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3598509
    • Patent number 3,598,509
    • Issue date Aug 10, 1971
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3597128
    • Patent number 3,597,128
    • Issue date Aug 3, 1971
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3547564
    • Patent number 3,547,564
    • Issue date Dec 15, 1970
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3532447
    • Patent number 3,532,447
    • Issue date Oct 6, 1970
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    TORQUE-GENERATING STEERING DEVICE
    • Publication number 20140271309
    • Publication date Sep 18, 2014
    • EATON CORPORATION
    • Aaron Kelly Krahn
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    GEROTOR MOTOR AND BRAKE ASSEMBLY
    • Publication number 20100178188
    • Publication date Jul 15, 2010
    • WHITE DRIVE PRODUCTS, INC.
    • Hollis N. White, JR.
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    GEROTOR MOTOR AND BRAKE ASSEMBLY
    • Publication number 20070258840
    • Publication date Nov 8, 2007
    • WHITE DRIVE PRODUCTS, INC.
    • Hollis N. White
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Vented high pressure shaft seal
    • Publication number 20040160013
    • Publication date Aug 19, 2004
    • James M. LeClair
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Functionalties of axially movable spool valve
    • Publication number 20040067148
    • Publication date Apr 8, 2004
    • Sauer-Danfoss Holding A/S
    • H. C. Petersen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Vented high pressure shaft seal
    • Publication number 20030227140
    • Publication date Dec 11, 2003
    • EATON CORPORATION
    • James M. LeClair
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Hydraulic motor with a separate spool valve
    • Publication number 20030202896
    • Publication date Oct 30, 2003
    • Xingen Jeffrey Dong
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Hydraulic motor having multiple speed ratio capability
    • Publication number 20020041816
    • Publication date Apr 11, 2002
    • EATON CORPORATION
    • John B. Heckel
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...