公开(公告)号：US09879671B1

公开(公告)日：2018-01-30

申请号：US14703518

申请日：2015-05-04

Applicant: Hydro-Gear Limited Partnership

Inventor： Michael W. Taylor ,  Heath F. McCormick ,  Nathan W. Bonny ,  Thomas J. Langenfeld

IPC: F04C2/30 ,  F04C14/24

CPC classification number: F04C14/24 ,  F01B3/0064 ,  F04C2/30 ,  F15B9/08

Abstract: A hydraulic motor assembly capable of precise control having a housing, a hydraulic mounting surface located in the housing, a cylinder block rotatably disposed on the hydraulic mounting surface, a motor shaft engaged to the cylinder block and supported proximate to a first end, a plurality of cooperating gears located in the housing and rotationally engaged to a second end of the motor shaft, an output shaft rotationally engaged to the plurality of cooperating gears, a speed sensor located proximate to one of the plurality of cooperating gears, wherein the speed sensor transmits a signal indicative of the rotational speed of the one of the plurality of cooperating gears.