Definition

Noun: A valve specifically designed to control the flow of a fluid (such as air, fuel, or a fuel-air mixture) into the chamber of an engine or a machine. It opens to allow the fluid to enter and closes to seal the chamber.

Usage

The term "intake valve" is used primarily in mechanical and automotive engineering contexts to describe a critical component in internal combustion engines, pumps, and compressors. * In a car engine, the intake valve opens to let the air-fuel mixture into the cylinder. * A faulty intake valve can cause poor engine performance and reduced power. * The mechanic is inspecting the intake valve for any signs of wear or damage.

Advanced Usage

• Valve Timing: The precise opening and closing of the intake valve is controlled by the camshaft and is crucial for engine efficiency. "The performance camshaft changes the intake valve timing for more power."
• Valve Seat: The surface against which the intake valve closes to form a seal. "Carbon buildup on the intake valve seat can cause compression leaks."

Variants and Related Words

• Inlet Valve: A synonym for "intake valve," commonly used in British English and general engineering.
• Exhaust Valve: The complementary valve that controls the flow of spent gases out of the chamber.
• Poppet Valve: The specific type of valve mechanism most often used as an intake valve in piston engines.
• Valve: The general category of devices for controlling the flow of fluids.

Synonyms

• Inlet valve
• Admission valve

Antonyms

• Exhaust valve
• Outlet valve

Related Phrases and Components

• Intake Manifold: The system of passages that delivers the fluid to the intake valve(s).
• Intake Stroke: The piston movement during which the intake valve is open.
• Valve Spring: The component that returns the intake valve to its closed position.
• Valve Clearance: The gap between the valve stem and the mechanism that opens it, critical for proper operation.

Noun

1. a valve that controls the flow of fluid through an intake