Diagnostic system for a hydrostatic transmission or transaxle
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United States of America Patent
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Sep 26, 2006
Grant Date -
N/A
app pub date -
Jun 12, 2004
filing date -
Jun 12, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An improved diagnostic system for a hydrostatic apparatus such as a hydrostatic transmission or transaxle is disclosed. A fastener having a port formed therein is used to connect a hydraulic component such as a center section to a housing. A diagnostic system may be located external to the housing and connected to the hydraulic circuit at least partially through the fastener port. A relief valve may also be located in the fastener and connected to the fastener port, or in a different fastener having a separate fastener port, to permit the fluid in the hydraulic circuit to be discharged to a sump.
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