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

Systeme hydraulique a couplage selectif de pompes

Info

Publication number: CA1139638A
Authority: CA; Canada
Prior art keywords: pressure; pumps; valve; ports; pump
Prior art date: 1978-04-19
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.)

1978-04-19

Filing date

1982-02-03

Publication date

1983-01-18

1978-04-19 Priority claimed from US05/897,893 external-priority patent/US4147034A/en

1982-02-03 Application filed by Caterpillar Tractor Co filed Critical Caterpillar Tractor Co

1982-02-03 Priority to CA000395513A priority Critical patent/CA1139638A/fr

1983-01-18 Application granted granted Critical

1983-01-18 Publication of CA1139638A publication Critical patent/CA1139638A/fr

Status Expired legal-status Critical Current

Links

239000012530 fluid Substances 0.000 claims abstract description 52
238000004891 communication Methods 0.000 claims abstract description 16
230000006854 communication Effects 0.000 claims abstract description 16
239000000306 component Substances 0.000 description 13
230000006870 function Effects 0.000 description 8
230000009471 action Effects 0.000 description 4
238000010276 construction Methods 0.000 description 2
230000003247 decreasing effect Effects 0.000 description 2
235000003642 hunger Nutrition 0.000 description 2
230000004044 response Effects 0.000 description 2
238000012163 sequencing technique Methods 0.000 description 2
208000036366 Sensation of pressure Diseases 0.000 description 1
238000007792 addition Methods 0.000 description 1
230000002457 bidirectional effect Effects 0.000 description 1
230000001419 dependent effect Effects 0.000 description 1
230000003467 diminishing effect Effects 0.000 description 1
238000005086 pumping Methods 0.000 description 1
230000009467 reduction Effects 0.000 description 1
239000013589 supplement Substances 0.000 description 1

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
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
US897,893		1992-06-12

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)

1982
- 1982-02-03 CA CA000395513A patent/CA1139638A/fr not_active Expired

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Legal Events

Date	Code	Title	Description
2000-01-18	MKEX	Expiry