Lubricating oil supply apparatus for hydraulically operated vehicular transmission
First Claim
1. A lubricating oil supply apparatus for a hydraulically operated vehicular transmission, said apparatus having a lubricating oil passage for supplying oil discharged from an oil discharge port of a pressure control valve which is provided in a hydraulic control circuit of said transmission, to lubricating portions thereof as lubricating oil,wherein said lubricating portions are divided into a plurality of groups depending on a change in a required amount of lubricating oil due to a temperature of said transmission,wherein said lubricating oil passage is branched into a plurality of branches corresponding to said groups, andwherein said apparatus comprises thermosensitive type of flow control means which is disposed in at least one of said branches of said lubricating oil passage.
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Accused Products
Abstract
A lubricating oil supply apparatus for a hydraulically operated vehicular transmission has a lubricating oil passage for supplying oil discharged from a discharge port of a pressure control valve which is provided in a hydraulic control circuit of the transmission to lubricating portions thereof as lubricating oil. The lubricating portions are divided into a plurality of groups depending on a change in a required amount of lubricating oil due to a temperature of the transmission. The lubricating oil passage is branched into a plurality of branches corresponding to the groups. The lubricating oil supply apparatus has a choke type of throttle which is disposed in at least one of the branches of the lubricating oil passage.
28 Citations
6 Claims
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1. A lubricating oil supply apparatus for a hydraulically operated vehicular transmission, said apparatus having a lubricating oil passage for supplying oil discharged from an oil discharge port of a pressure control valve which is provided in a hydraulic control circuit of said transmission, to lubricating portions thereof as lubricating oil,
wherein said lubricating portions are divided into a plurality of groups depending on a change in a required amount of lubricating oil due to a temperature of said transmission, wherein said lubricating oil passage is branched into a plurality of branches corresponding to said groups, and wherein said apparatus comprises thermosensitive type of flow control means which is disposed in at least one of said branches of said lubricating oil passage.
Specification