TRANSMISSION FLUID COOLER-BYPASS UNIT FOR A TRANSMISSION FLUID COOLING SYSTEM
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United States of America Patent
Stats
-
N/A
Issued Date -
Jun 14, 2001
app pub date -
Dec 4, 1998
filing date -
Nov 17, 1995
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A transmission fluid cooling system includes a cooler-bypass unit having a banjo bolt relief valve. The banjo bolt relief valve includes a head portion and a body portion. A relief valve is incorporated into the body portion. A valve seat is formed between the head portion and body portion. A ball is biased against the valve seat toward the head portion by a spring within the body portion. When the transmission fluid is cool and viscous, pressure buildup in the head portion overcomes the spring bias of the ball against the valve seat, permitting the flow of transmission fluid through the cooler-bypass unit, bypassing the transmission fluid cooling unit.
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