Bent Engine Valves

engine
motor that converts thermal energy to mechanical work
locomotive: a wheeled vehicle consisting of a self-propelled engine that is used to draw trains along railway tracks
A machine with moving parts that converts power into motion
A thing that is the agent or instrument of a particular process
A railroad locomotive
something used to achieve a purpose; "an engine of change"

valves
A membranous fold in a hollow organ or tubular structure, such as a blood vessel or the digestive tract, that maintains the flow of the contents in one direction by closing in response to any pressure from reverse flow
A cylindrical mechanism in a brass instrument that, when depressed or turned, admits air into different sections of tubing and so extends the range of available notes
(valve) a structure in a hollow organ (like the heart) with a flap to insure one-way flow of fluid through it
(valve) device in a brass wind instrument for varying the length of the air column to alter the pitch of a tone
A device for controlling the passage of fluid through a pipe or duct, esp. an automatic device allowing movement in one direction only
(valve) control consisting of a mechanical device for controlling the flow of a fluid

bent
A natural talent or inclination
bended: used of the back and knees; stooped; "on bended knee"; "with bent (or bended) back"
a relatively permanent inclination to react in a particular way; "the set of his mind was obvious"
fixed in your purpose; "bent on going to the theater"; "dead set against intervening"; "out to win every event"