INTERNAL BREATHER VALVE FOR SPRING BRAKE ACTUATORS

Title:

INTERNAL BREATHER VALVE FOR SPRING BRAKE ACTUATORS

Document Type and Number:

WIPO Patent Application WO/2012/164587

Kind Code:

A3

Abstract:

An internal breather valve (50) for use with a spring brake actuator in an air brake system of a motor vehicle, said valve comprising: a main body (51) adapted to fit into the end portion (5) of a stem of the spring brake actuator, a fluid channel formed in and extending through the main body, a valve seat (67) formed in the main body and communicating with the fluid channel, a vented diaphragm (55) which is movably mounted inside the main body and adapted to sealingly engage the valve seat, and an elastically deformable member (53) linking the diaphragm and the main body such that the vented diaphragm is held in a normally-open position.

Inventors:

SELVAMANI SUNDARAMAHALINGAM (IN)
SREENIVASAN NARAYANAN (IN)
NAGARAJAN KUPPUREDDIPATTI PONNUSAMY (IN)
KUMAR ARANGARASAN SENTHIL (IN)

Application Number:

PCT/IN2012/000492

Publication Date:

June 27, 2013

Filing Date:

July 11, 2012

Export Citation:

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Assignee:

WABCO INDIA LTD (IN)

International Classes:

B60T13/38; F16D65/14

Foreign References:

CN202091411U	2011-12-28
CN202132420U	2012-02-01
CN202100636U	2012-01-04
CN202228568U	2012-05-23
CN202149164U	2012-02-22
KR20120029920A	2012-03-27
KR20120029924A	2012-03-27
DE10110843A1	2002-09-12

Other References: