Hydrostatic transaxle

Details Hydrostatic transaxle Hydrostatic transaxle

2007-05-01

2007-05-01

Leslie, Michael (Department: 3745)

Power plants

Pressure fluid source and motor

Input pump and rotary output motor system having...

C060S454000

Reexamination Certificate

active

11316647

ABSTRACT:
An expansion sump is provided in the axle horn of a hydraulic apparatus, and a cap member seals the expansion sump from the main sump. An arcuate sealed fluid passage is provided between the periphery of the cap member and the housing. The sealed fluid passage cooperates with a first passage between the expansion sump and the sealed fluid passage and a second passage between the main sump and the sealed fluid passage to form a siphon to permit fluid communication between the two sumps. The hydraulic apparatus may also have an oil filter removably mounted on the external surface of the housing and a removable shield adjacent thereto, with an engagement member formed on the shield to prevent the oil filter from being removed from the housing with the shield in place.

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