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MX9605387A - Valvula hidraulica universal. - Google Patents

Valvula hidraulica universal.

Info

Publication number
MX9605387A
MX9605387AMX9605387AMX9605387AMX9605387AMX 9605387 AMX9605387 AMX 9605387AMX 9605387 AMX9605387 AMX 9605387AMX 9605387 AMX9605387 AMX 9605387AMX 9605387 AMX9605387 AMX 9605387A
Authority
MX
Mexico
Prior art keywords
needle
valve
universal hydraulic
bore
hydraulic valve
Prior art date
Application number
MX9605387A
Other languages
English (en)
Inventor
Leonard T Chapman
Original Assignee
Leonard Studio Equip
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Leonard Studio EquipfiledCriticalLeonard Studio Equip
Publication of MX9605387ApublicationCriticalpatent/MX9605387A/es

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Classifications

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Abstract

Una válvula 10 hidráulica universal de cierre tiene un bastidor 12 que tiene válvulas de retencion 20, 22 en una perforacion 74 de válvula de retencion; una aguja 30 en la perforacion 72 de aguja tiene separados opturadores 60 que pueden opturar alternadamente contra los asientos 52, 54 de válvula sobre las perillas 26, 28 ajustables, con el movimiento de la aguja, que se puede articular mecánicamente a un elemento de máquina, movido por un accionador hidráulico 140; la válvula hidráulica universal fija las posiciones de arranque y detencion y también provee detenciones suaves graduales.
MX9605387A1994-05-031995-04-26Valvula hidraulica universal.MX9605387A (es)

Applications Claiming Priority (2)

Application NumberPriority DateFiling DateTitle
US08/237,447US5437216A (en)1994-05-031994-05-03Universal hydraulic valve
PCT/US1995/004822WO1995030096A1 (en)1994-05-031995-04-26Universal hydraulic valve

Publications (1)

Publication NumberPublication Date
MX9605387Atrue MX9605387A (es)1997-12-31

Family

ID=22893757

Family Applications (1)

Application NumberTitlePriority DateFiling Date
MX9605387AMX9605387A (es)1994-05-031995-04-26Valvula hidraulica universal.

Country Status (8)

CountryLink
US (2)US5437216A (es)
EP (1)EP0770185B1 (es)
AT (1)ATE167554T1 (es)
AU (1)AU678111B2 (es)
CA (1)CA2188801C (es)
DE (2)DE770185T1 (es)
MX (1)MX9605387A (es)
WO (1)WO1995030096A1 (es)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
US5437216A (en)*1994-05-031995-08-01Leonard Studio Equipment, Inc.Universal hydraulic valve
DE4447544C2 (de)*1994-06-281997-04-24Daimler Benz AgServoventilanordnung
US5944285A (en)*1997-06-191999-08-31The Boeing CompanyVent valve with pressure relief
US6493569B2 (en)*2000-12-302002-12-10Ge Medical Systems Global Technology Company, LlcMethod and apparatus using post contrast-enhanced steady-state free precession in MR imaging
US6581509B1 (en)2001-05-252003-06-24Stephens Dynamics, Inc.Rotary cylinder assembly for a machine tool
US8579525B2 (en)2009-08-062013-11-12Chapman/Leonard Studio Equipment, Inc.Hydraulic stop valve for a camera crane
US8727318B2 (en)2012-07-192014-05-20Chapman/Leonard Studio Equipment, Inc.Hydraulic float down valve for a camera dolly or camera crane

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
GB693504A (en)*1949-07-251953-07-01Boulton Aircraft LtdImprovements in and relating to servo systems
FR1153774A (fr)*1955-06-101958-03-21Servo-moteur à piston différentiel, notamment pour mécanismes de direction de véhicules automobiles
US2996047A (en)*1959-01-091961-08-15North American Aviation IncActuating means
US3398646A (en)*1966-04-081968-08-27Bell Aerospace CorpLead signal generation apparatus for use in control systems
US3974742A (en)*1974-10-311976-08-17Caterpillar Tractor Co.Lock valve assembly
FR2321417A1 (fr)*1975-08-211977-03-18DbaDispositif hydraulique d'assistance de direction de vehicule automobile
SE430183B (sv)*1980-02-221983-10-24Asea AbServocylinder med genomgaende kolvstang
US4325402A (en)*1980-04-011982-04-20Baker Cac, Inc.Bimodal, non-venting pneumatic relay
US4360187A (en)*1981-06-191982-11-23Chapman Leonard TCompact hoisting device
JPS5947573A (ja)*1982-09-131984-03-17Fuji Eng Kk方向切換弁
US4738279A (en)*1985-12-171988-04-19Linde AktiengesellschaftMultiway valves with load feedback
US4899097A (en)*1986-10-021990-02-06Chapman Leonard TMotorized tang drive system
US4716933A (en)*1986-10-161988-01-05J. I. Case CompanyValve unit
JP2683244B2 (ja)*1988-04-141997-11-26株式会社ゼクセル制御弁
US4854222A (en)*1988-08-221989-08-08Allied-Signal Inc.Load compensated servo system to control flow rate as a function of command
JP3141951B2 (ja)*1991-02-152001-03-07帝人製機株式会社アクチュエータの中立位置復帰機構
US5437216A (en)*1994-05-031995-08-01Leonard Studio Equipment, Inc.Universal hydraulic valve

Also Published As

Publication numberPublication date
EP0770185A1 (en)1997-05-02
CA2188801C (en)2005-01-11
AU2389795A (en)1995-11-29
DE770185T1 (de)1997-09-11
US5819634A (en)1998-10-13
DE69503049D1 (de)1998-07-23
EP0770185B1 (en)1998-06-17
US5437216A (en)1995-08-01
AU678111B2 (en)1997-05-15
CA2188801A1 (en)1995-11-09
WO1995030096A1 (en)1995-11-09
ATE167554T1 (de)1998-07-15
DE69503049T2 (de)1998-12-03
EP0770185A4 (en)1997-02-12

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