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US 2021/0010399 A1Published application
Crankcase Ventilation Valve, Crankcase Ventilation Filter and Crankcase
AssigneeMann+Hummel GmbH
InventorsHemanth Kumar VENKATESH NAYAK, Pramod SAVADATTI, Srikanth SAVANUR RAGHAVENDRA RAO, Praveen PRAHLAD, Markus MELDE
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Abstract
A crankcase ventilation valve comprises a membrane element with a metal support washer and a conical spring, the end face of which acts on the support washer.
Claims13
A crankcase ventilation valve, comprising:
- a valve element configured to be installed on a ventilation aperture of a crankcase, or in a crankcase ventilation valve housing or in a housing of a crankcase ventilation filter;
- a conical spring whose front face has a larger diameter is acting upon the valve element, and a cover to be fixed to the crankcase, the crankcase ventilation valve housing or the housing of the crankcase ventilation filter and supporting the opposite end of the conical spring,
- wherein the valve element is a membrane element which carries a support washer),
- wherein the support washer is made of metal and supports the conical spring.
1 more element
Dependencies are inferred from the claim text.