JPH01100390A - 制御回路 - Google Patents

制御回路

Info

Publication number
JPH01100390A
JPH01100390A JP63228314A JP22831488A JPH01100390A JP H01100390 A JPH01100390 A JP H01100390A JP 63228314 A JP63228314 A JP 63228314A JP 22831488 A JP22831488 A JP 22831488A JP H01100390 A JPH01100390 A JP H01100390A
Authority
JP
Japan
Prior art keywords
pump
spool
valve
port
bore
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP63228314A
Other languages
English (en)
Japanese (ja)
Inventor
Randy P Schmidt
ランディ・ピート・シュミット
Steven G Brandau
スティーヴン・ジョージ・ブランドー
James A Miller
ジェームズ・アントン・ミラー
Dwight B Stephenson
ドゥワイト・ブルース・スティーヴンソン
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Deere and Co
Original Assignee
Deere and Co
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
Priority claimed from US07/096,418 external-priority patent/US4821514A/en
Application filed by Deere and Co filed Critical Deere and Co
Publication of JPH01100390A publication Critical patent/JPH01100390A/ja
Pending legal-status Critical Current

Links

Landscapes

  • Control Of Fluid Gearings (AREA)
  • Reciprocating Pumps (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
JP63228314A 1987-09-11 1988-09-12 制御回路 Pending JPH01100390A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US96418 1987-09-11
US07/096,418 US4821514A (en) 1987-06-09 1987-09-11 Pressure flow compensating control circuit

Publications (1)

Publication Number Publication Date
JPH01100390A true JPH01100390A (ja) 1989-04-18

Family

ID=22257253

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63228314A Pending JPH01100390A (ja) 1987-09-11 1988-09-12 制御回路

Country Status (3)

Country Link
JP (1) JPH01100390A (fr)
BR (1) BR8804673A (fr)
CA (1) CA1285194C (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005090749A (ja) * 2003-09-18 2005-04-07 Sauer Danfoss Inc 自動圧力補償遠隔装置を備える開回路油圧伝達装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005090749A (ja) * 2003-09-18 2005-04-07 Sauer Danfoss Inc 自動圧力補償遠隔装置を備える開回路油圧伝達装置

Also Published As

Publication number Publication date
BR8804673A (pt) 1989-04-18
CA1285194C (fr) 1991-06-25

Similar Documents

Publication Publication Date Title
US4821514A (en) Pressure flow compensating control circuit
US3635021A (en) Hydraulic system
US5333451A (en) Oil pressure control valve assembly for hydrostatic transmissions
US3726093A (en) Pump control system
US2835266A (en) Power transmission
CA1255995A (fr) Distributeur hydraulique plurifonction
US4129987A (en) Hydraulic control system
US4787294A (en) Sectional flow control and load check assembly
JP3292474B2 (ja) 油圧制御システム
JPS6214718B2 (fr)
US3770007A (en) Dual direction flow control valve
US4480963A (en) Pump swashplate control assist
JPH01100390A (ja) 制御回路
US5515879A (en) Load sensed multi-purpose pressure control valve
US4152896A (en) Hydraulic power system with a load-sensing and a cutoff control valve
US5513958A (en) Accumulator charging valve
US4942900A (en) Pressure control valve
US5326230A (en) Closed loop control circuit for variable hydraulic pump
US4669266A (en) Closed-loop system for unequal displacement cylinder
US3016018A (en) Variable displacement pump
US3391708A (en) Valve
US4366672A (en) Pilot operated hydraulic device
JP2650707B2 (ja) 電磁比例式圧力制御弁
JPS6132521B2 (fr)
US3398649A (en) Hydraulic control system