- midbed
- In dual bed catalytic converters with air injection, the plenum between the three-way catalyst and the conventional oxidation catalyst, into which secondary air is injected
Dictionary of automotive terms. 2015.
Dictionary of automotive terms. 2015.
air select valve — A valve in a two stage catalytic converter with secondary air injection. It is operated by a solenoid and is triggered by the electronic control module. It directs air to the exhaust valve ports or to the midbed catalytic converter, depending on… … Dictionary of automotive terms
mixing chamber — [1] That part of the welding torch where the welding gases are intimately mixed, prior to combustion. [2] that part of a carburetor distinct from the float chamber both in function and layout, in which the air and the fuel mix as they meet. [3]… … Dictionary of automotive terms