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Hydraulic reservoir for tandem master cylinder
| Details |
Inventors: Ishiwata, Ichiro;
Assignee: Nippon Air Brake Co., Ltd. (Kobe, JP)
Primary Examiner: Hershkovitz; Abraham
Assistant Examiner:
Attorney, Agent or Firm: McDougall, Hersh & Scott
A hydraulic reservoir for tandem master cylinder includes a body formed by upper, lower and side walls, two brake fluid reserving chambers formed by two partitioning walls in the body, and oblong passages formed by the side walls and ancillary walls integrally formed with the partitioning walls to make the two brake fluid reserving chambers communicate with each other, the oblong passages being open to the two brake fluid reserving chambers, respectively, having bottoms higher by a predetermined length than the lower wall, and having at least such length that a flow amount of brake fluid between the two brake fluid reserving chambers is limited to a predetermined value on the inclination of the brake fluid level relative to the body. |
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DETAILED DESCRIPTION An object of this invention is to provide a novel hydraulic reservoir for master cylinder which fulfils well the above described requirements.
Another object of this invention is to provide a hydraulic reservoir for tandem master cylinder in which brake fluid flow between two brake fluid reserving chambers can be more reduced in the fluid level inclination relative to the reservoir.
A further object of this invention is to provide a hydraulic reservoir for tandem master cylinder in which, even when one of the two brake fluid reserving chambers becomes empty because of a damage of the brake fluid conduit, a sufficient brake fluid to brake the automobile is always held in the other of the two brake fluid reserving chambers.
A still further object of this invention is to provide a hydraulic reservoir for tandem master cylinder in which, even when the automobile runs on the inclined roadway, a fluid level sensor can accurately operate.
In accordance with an aspect of this invention, a hydraulic reservoir for tandem master cylinder includes: (A) a body formed by upper, lower and side walls; (B) two brake fluid reserving chambers formed by partitioning means in the body; (C) oblong passages formed by the side walls and ancillary walls integrally formed with the partitioning means to make the two brake fluid reserving chambers communicate with each other, the oblong passages being open to the two brake fluid reserving chambers, respectively, having bottoms higher by a predetermined length than the lower wall, and having such length that a flow amount of brake fluid between the two brake fluid reserving chambers is limited to a predetermined value on the inclination of the brake fluid level relative to the body.
The foregoing and other objects, features, and advantages of the present invention will be more readily understood upon consideration of the following detailed description of the preferred embodiment of the invention, taken in conjunction with the accompanying drawings
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I/O Systems 
