Tank pressure compensating valve for motor vehicle, has spherical sealing body moving against valve seat that is formed on diaphragm for closing valve during predetermined inclination of valve

摘要

The valve has a diaphragm (40) lying against a housing (10) in a closing position under an influence of a spring (70). A spherical sealing body (60) rests in a spherical seat (54) in a normal position, where the seat (54) is formed by a float assembly (50). A pressure compensation is caused such that a positive pressure of the spring is overrid, where the diaphragm moves toward a cap (30). The body (60) moves against a valve seat that is formed on the diaphragm for closing the valve during a predetermined inclination of the valve.