Hydraulic control system in a continuously variable transmission
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 19, 2016
Grant Date -
Oct 10, 2013
app pub date -
Dec 14, 2011
filing date -
Dec 15, 2010
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A hydraulic control system in a continuously variable transmission (2) is provided with a pump (40) for supplying hydraulic fluid, a main line (41), a line pressure valve (V3), an auxiliary line (42) and a auxiliary pressure valve (V9). The line pressure valve (V3) being arranged to control a line pressure LP in the main line (41) by discharging a surplus of hydraulic fluid supplied by the pump (40) into the auxiliary line (42). The auxiliary pressure valve (V9) is arranged to variably control auxiliary pressure AP in the auxiliary line (41), preferably in dependence on the line pressure LP in the main line (41).
First Claim
Family
International Classification(s)
- [Classification Symbol]
- [Patents Count]
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully