Semi-active muffler
First Claim
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1. Semi-active muffler having a casing, an inlet pipe for exhaust gas, at least one outlet pipe for said exhaust gas, a valve element controlling flow of exhaust gas, a spring cooperating with said valve element and biasing said valve element into a first position, and cooling means for reducing the amount of heat transferred from said exhaust gas to said spring.
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Abstract
A semi-active muffler has a casing, an inlet pipe for exhaust gas, at least one outlet pipe for the exhaust gas, a valve element controlling flow of exhaust gas, a spring cooperating with the valve element and biasing the valve element into a first position. Cooling means are provided for reducing the amount of heat transferred from the exhaust gas to the spring.
29 Citations
20 Claims
- 1. Semi-active muffler having a casing, an inlet pipe for exhaust gas, at least one outlet pipe for said exhaust gas, a valve element controlling flow of exhaust gas, a spring cooperating with said valve element and biasing said valve element into a first position, and cooling means for reducing the amount of heat transferred from said exhaust gas to said spring.
Specification