CA1139638A - Systeme hydraulique a couplage selectif de pompes - Google Patents

Systeme hydraulique a couplage selectif de pompes

Info

Publication number
CA1139638A
CA1139638A CA000395513A CA395513A CA1139638A CA 1139638 A CA1139638 A CA 1139638A CA 000395513 A CA000395513 A CA 000395513A CA 395513 A CA395513 A CA 395513A CA 1139638 A CA1139638 A CA 1139638A
Authority
CA
Canada
Prior art keywords
pressure
pumps
valve
ports
pump
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.)
Expired
Application number
CA000395513A
Other languages
English (en)
Inventor
Howard L. Johnson
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.)
Caterpillar Inc
Original Assignee
Caterpillar Tractor 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 US05/897,893 external-priority patent/US4147034A/en
Application filed by Caterpillar Tractor Co filed Critical Caterpillar Tractor Co
Priority to CA000395513A priority Critical patent/CA1139638A/fr
Application granted granted Critical
Publication of CA1139638A publication Critical patent/CA1139638A/fr
Expired legal-status Critical Current

Links

Landscapes

  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
CA000395513A 1978-04-19 1982-02-03 Systeme hydraulique a couplage selectif de pompes Expired CA1139638A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA000395513A CA1139638A (fr) 1978-04-19 1982-02-03 Systeme hydraulique a couplage selectif de pompes

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US897,893 1978-04-19
US05/897,893 US4147034A (en) 1978-04-19 1978-04-19 Hydraulic system with priority control
CA325,623A CA1126130A (fr) 1978-04-19 1979-04-17 Reseau hydraulique a repartiteur sur demande prioritaire
CA000395513A CA1139638A (fr) 1978-04-19 1982-02-03 Systeme hydraulique a couplage selectif de pompes

Publications (1)

Publication Number Publication Date
CA1139638A true CA1139638A (fr) 1983-01-18

Family

ID=27166186

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000395513A Expired CA1139638A (fr) 1978-04-19 1982-02-03 Systeme hydraulique a couplage selectif de pompes

Country Status (1)

Country Link
CA (1) CA1139638A (fr)

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Legal Events

Date Code Title Description
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