Patent ID: 9021799
Filing Date: 2015-05-05
Classification: F01B,F04C,F15B

Abstract:
1. A hydraulic motor assembly comprising: a housing comprising a main housing having a first surface and an opposing second surface, a motor housing engaged to the first surface of the main housing to form a motor chamber, and a gear housing engaged to the opposing second surface of the main housing to form a gear chamber, wherein the housing further comprises a running surface and a pair of passages, wherein a first of the pair of passages connects a first port on the running surface to an inlet port on the exterior of the housing, and a second of the pair of passages connects a second port on the running surface to a discharge port on the exterior of the housing; a cylinder block located in the motor chamber and rotatably disposed on the running surface; a motor shaft axially engaged to the cylinder block to rotate therewith, wherein the motor shaft extends from the motor chamber to the gear chamber; a gear set disposed in the gear chamber and rotatably engaged to the motor shaft; a tubular output shaft rotatably engaged to the gear set; and a speed sensor located in part adjacent to the gear set to measure the rotational speed of one of the gears of the gear set.