Device and method for purging trapped air from a vehicle steering gear housing
AssigneeVisteon Global Technologies, Inc.
InventorsDonald Emmett Lucking, James Richard Robertson
Life of this patent
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Abstract
The present invention involves a purge device for a steering gear assembly of a vehicle. The steering gear assembly includes a steering piston chamber having a piston moveably housed therein and having a hydraulic assist port formed on the steering piston chamber. The device comprises a purge channel in fluid communication with the hydraulic assist port and housed in the steering piston chamber. The purge channel extends to a channel opening positioned at a first portion in the chamber to purge trapped air from the chamber during operation of the steering gear assembly.
Claims17
A purge device for a steering gear assembly of a vehicle, the steering gear assembly including a steering piston chamber having a piston movably housed therein and having a hydraulic assist port formed on the steering piston chamber, the device comprising:
- a purge channel in fluid communication with the hydraulic assist port and housed in the steering piston chamber, the purge channel extending to a channel opening positioned at a first portion in the chamber to purge trapped fluid from the chamber during operation of the steering gear assembly.
A steering gear purge assembly for a vehicle to purge trapped fluid from the assembly, the assembly comprising:
- a steering piston chamber having a top chamber portion and first and second hydraulic assist ports formed on the steering piston chamber below the top chamber portion;
- a piston movably housed in the steering piston chamber between the first and second ports, the piston having a pair of ends each of which being adjacent one of the ports;
- and
- first and second purge channels each connected to one of the hydraulic assist ports and housed in the steering piston chamber adjacent one of the ends, each of the purge channels having a channel opening being positioned at the top chamber portion to purge trapped fluid therefrom during operation of the steering gear.
Dependencies are inferred from the claim text.