APPARATUS INCLUDING HYDROSTATIC TRANSMISSION
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United States of America Patent
Stats
-
N/A
Issued Date -
Mar 19, 2015
app pub date -
Nov 21, 2014
filing date -
Jul 5, 2013
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An apparatus comprises a hydrostatic transmission and a casing incorporating the hydrostatic transmission. The hydrostatic transmission includes a hydraulic pump, a hydraulic motor and a center section. The hydraulic pump and the hydraulic motor are attached to the center section that is formed therein with a fluid sump fluidly connecting the hydraulic pump to the hydraulic motor. At least a bottom portion of the center section is submerged in a fluid sump in the casing. A charge port for fluidly connecting the fluid sump to the fluid passage is open at the bottom portion of the center section in the fluid sump, The bottom portion of the center section is downwardly convex so as to have an apex at the lowest portion. The opening of the charge port is directed to the apex of the convex bottom portion of the center section.
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