| Patent Number |
Title Of Patent |
Date Issued |
| 6569047 |
Drive device comprising a hydraulic motor and a reduction gear |
May 27, 2003 |
| A drive device incorporating a hydraulic motor and a planetary reduction gear. The motor includes a housing in which radial pistons are disposed. The device includes a coupling between the output of the motor and the input of the reduction gear, the reduction gear including a housing in |
| 6386307 |
Transmission apparatus for a vehicle having at least two drivable displacement members in line |
May 14, 2002 |
| The apparatus comprises two hydraulic motors to which two displacement members in line are respectively coupled. Each of the motors has three main connections, namely one main connection that is common to both of its cylinder capacities, and two main connections, one for each of its two |
| 6354392 |
Vehicle transmission apparatus having a valve for controlling cornering behavior |
March 12, 2002 |
| Hydrostatic transmission apparatus for a vehicle having drivable front and rear wheels coupled to front and rear hydraulic motors. A group of motors comprises at least two motors coupled respectively to two wheels situated on either side of the vehicle. The other group of motors comprise |
| 6347572 |
Hydraulic motor having radial pistons and a single declutching selector |
February 19, 2002 |
| A hydraulic motor comprising a cylinder block having at least a first group of radial cylinders, a reaction member mounted to rotate relative to the cylinder block, and an internal fluid distributor having distribution ducts. The motor further comprises a single declutching selector |
| 6318235 |
Hydraulic motor cylinder-capacity selector for avoiding jarring when switching from one cylinder |
November 20, 2001 |
| A cylinder-capacity selector for a hydraulic motor having at least two active operating cylinder capacities and comprising having at least two main ducts. The selector includes three ports and distribution ducts of the motor to establish selective communication between the main ducts and |
| 6230829 |
Transmission apparatus for a vehicle having at least two drivable axles |
May 15, 2001 |
| Each drivable axle of the apparatus has two hydraulic motors, one for each side of the vehicle. The apparatus includes two analogous closed transmission circuits, one for each side of the vehicle. The hydraulic motors of the second axle are dual-capacity motors having three main conn |
| 5961413 |
Hydraulic drive for construction machine |
October 5, 1999 |
| A hydraulic motor comprising a casing, a reaction member, a cylinder block, an inner fluid distributor valve fast with the casing with respect to rotation about the axis of the motor and a driving shaft extending inside the casing coaxially to said axis. The motor is a low-speed, high-to |
| 5855115 |
Auxiliary hydraulic motor |
January 5, 1999 |
| An auxiliary hydraulic motor comprises a fixed casing having a cam, a cylinder block, an internal fluid distributor, and a through shaft which extends inside the casing along the axis of rotation of the cylinder block. The through shaft is constituted by a length of a vehicle transmi |
| 5437338 |
Hydraulic drive unit for driving a drilling tool |
August 1, 1995 |
| This invention relates to a drive unit comprising a frame; a rotating shaft, a first fluid motor presenting a cam fixed with respect to the frame; and a cylinder block fast with the shaft driven by the first motor at a first speed of rotation.According to the invention, the shaft present |
