valve face
41Double-beat valve — 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… …
42Equilibrium valve — 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… …
43valve lifter — [1] The cylindrically shaped component that presses against the lobe of a camshaft and moves up and down as the cam lobe rotates. Most valve lifters have an oil lubricated hardened face that slides on the cam lobe. So called roller lifters,… …
44valve margin — The width of the edge of the valve head between the top of the valve and the edge of the face. Too narrow a margin results in preignition and valve damage through over heating …
45valve seat face — An annular part of a valve head located at the valve seat of the cylinder head …
46valve 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 …
47Cylinder face — Face Face (f[=a]s), n. [F., from L. facies form, shape, face, perh. from facere to make (see {Fact}); or perh. orig. meaning appearance, and from a root meaning to shine, and akin to E. fancy. Cf. {Facetious}.] 1. The exterior form or appearance… …
48To fly in the face of — Face Face (f[=a]s), n. [F., from L. facies form, shape, face, perh. from facere to make (see {Fact}); or perh. orig. meaning appearance, and from a root meaning to shine, and akin to E. fancy. Cf. {Facetious}.] 1. The exterior form or appearance… …
49To make a face — Face Face (f[=a]s), n. [F., from L. facies form, shape, face, perh. from facere to make (see {Fact}); or perh. orig. meaning appearance, and from a root meaning to shine, and akin to E. fancy. Cf. {Facetious}.] 1. The exterior form or appearance… …
50Bag valve mask — A bag valve mask (also known as a BVM or Ambu bag) is a hand held device used to provide ventilation to a patient who is not breathing or who is breathing inadequately. The device is a normal part of a resuscitation kit for trained professional,… …
