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.)
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 Inc
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 US07/029,001external-prioritypatent/US4798126A/en
Application filed by Caterpillar IncfiledCriticalCaterpillar Inc
Application grantedgrantedCritical
Publication of CA1270422ApublicationCriticalpatent/CA1270422A/fr
CA000556634A1987-03-231988-01-15Systeme reagissant a la demande par recours a une pompe de commande du type a derivation sensible aux charges
Expired - Fee RelatedCA1270422A
(fr)
Systeme de commande sensible a la charge adapte pour utiliser la pression de charge negative dans le fonctionnement de dispositifs de commande d'un systeme