Glossary “bypass tube” Definition:
A tube directly in front of the thermostat. The coolant bypasses the radiator through this tube when cold.
Glossary “bypass valve” Definition:
Valve in the oil filter that opens to allow unfiltered oil flow to the bearings when the oil is cold and thick or the filtering material is plugged due to a lack of proper maintenance. Any valve that opens under certain conditions to permit a flow of liquid or gas by some alternate to its normal route.
Glossary “byte” Definition:
A group of eight, sixteen, thirty two or sixty four bits processed as a unit
Glossary “BVT” Definition:
Backpressure Variable Transducer
Glossary “BVV” Definition:
Bowl Vent Valve
Glossary “BW” Definition:
Glossary “bypass” Definition:
1). A passageway between the head and block or behind the water pump that allows a water pump to circulate coolant throughout the cylinder head and engine block before the thermostat opens. 2). A valve that is used to regulate pressure or control the quantity of a liquid or gas. 3). A shunt or parallel path around one or more elements in a circuit.
Glossary “bypass capacitor” Definition:
A capacitor that provides a low impedance path (usually to ground) to remove unwanted signals from the main signal path.
Glossary “bypass control valve” Definition:
A valve used in a bypass system.
Glossary “bypass line” Definition:
A line or hose used in a bypass system to transfer liquid or gas.
Glossary “BVSV” Definition:
Bimetallic Vacuum Switching Valve
Glossary “BVREF” Definition:
Buffer Voltage Reference. Dedicated circuit that provides approximately 5.0 volt signal used as a reference by certain sensors.
Glossary “BVS” Definition:
Battery Voltage Sensor, or Bowl Vent Solenoid
Glossary “BVSB” Definition:
Bi-metal Vacuum Switching Valve
Glossary “butane” Definition:
A colorless gas (C4H10) that is used as a fuel
Glossary “butt gap” Definition:
The distance between the ends of a piston ring when installed in the bore. Also may referred to as ring end gap.
Glossary “butt weld” Definition:
A type of weld that joins two pieces of metal by fusion.
Glossary “butterfly” Definition:
A type of valve used for the choke and throttle valve in a carburetor; a moveable plate that controls the amount of air permitted to enter the combustion chamber.
Glossary “Butyl” Definition:
The trade name of a synthetic rubber.
Glossary “buzzer” Definition:
An electric sound generator that makes a “buzzing” noise when activated. It operates on the same principle as a vibrating bell. Sometimes used to warn the driver of possible safety hazards, such as when the seat belt is not fastened or a door is not shut.