valve seat
Смотреть что такое "valve seat" в других словарях:
Valve seat — Valve Valve, n. [L. valva the leaf, fold, or valve of a door: cf. F. valve.] [1913 Webster] 1. A door; especially, one of a pair of folding doors, or one of the leaves of such a door. [1913 Webster] Swift through the valves the visionary fair… … The Collaborative International Dictionary of English
Valve seat — The valve seat in an internal combustion gasoline or diesel engine is the surface against which an intake or an exhaust valve rests during the portion of the engine operating cycle when that valve is closed. The valve seat is a critical component … Wikipedia
valve seat — noun : a circular ring of heat resistant bronze or steel on which a valve of an internal combustion engine rests when closed * * * valve seat, the rim of the valve port on which the valve rests when closed, made of specially hardened steel… … Useful english dictionary
valve seat insert — A hardened steel valve seat that may be removed and replaced. The use of valve seat inserts dispenses with the need for lead in the fuel to act as a lubricant between the valve head and seat Also see insert … Dictionary of automotive terms
valve seat ring — A ring shaped insert of a harder metal than that of the cylinder head; the use of valve seat inserts dispenses with the need for lead in the fuel to act as a lubricant between the valve head and seat … Dictionary of automotive terms
valve seat face — An annular part of a valve head located at the valve seat of the cylinder head … Dictionary of automotive terms
valve seat grinding — Renewing the valve seat area by grinding with a stone mounted upon a special mandrel … Dictionary of automotive terms
valve seat — The area onto which the face of the poppet seats when closed. The two common angles for this seat are forty five and thirty degrees … Dictionary of automotive terms
valve seat cutter — A special automotive tool with carting blades for use with power tools; used to cut worn valve seats with 30° or 45° angles … Dictionary of automotive terms
Valve — Valve, n. [L. valva the leaf, fold, or valve of a door: cf. F. valve.] [1913 Webster] 1. A door; especially, one of a pair of folding doors, or one of the leaves of such a door. [1913 Webster] Swift through the valves the visionary fair Repassed … The Collaborative International Dictionary of English
valve box — Valve Valve, n. [L. valva the leaf, fold, or valve of a door: cf. F. valve.] [1913 Webster] 1. A door; especially, one of a pair of folding doors, or one of the leaves of such a door. [1913 Webster] Swift through the valves the visionary fair… … The Collaborative International Dictionary of English
