Valve used to control the air pressure in the intake manifold of an internal combustion engine
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In internal combustion engines with carburetors, a choke valve or choke modifies the air pressure in the intake manifold, thereby altering the air–fuel ratio entering the engine. Choke valves are generally used in naturally aspirated engines to supply a richer fuel mixture when starting the engine. Most choke valves in engines are butterfly valves mounted upstream of the carburetor jet to produce a higher partial vacuum, which increases the fuel draw.[1]
In heavy industrial or fluid engineering contexts, including oil and gas production, a choke valve or choke is a particular design of valve with a solid cylinder placed inside another slotted or perforated cylinder.
^Taylor, Charles Fayette (1985-03-19). Internal Combustion Engine in Theory and Practice, second edition, revised, Volume 2: Combustion, Fuels, Materials, Design. MIT Press. ISBN 978-0-262-70027-6.
carburetors, a chokevalve or choke modifies the air pressure in the intake manifold, thereby altering the air–fuel ratio entering the engine. Chokevalves are generally...
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been shut off briefly before being restarted. Doing so can cause the chokevalve to configure the mixture for a cold engine start, despite higher actual...
Choked flow is a compressible flow effect. The parameter that becomes "choked" or "limited" is the fluid velocity. Choked flow is a fluid dynamic condition...
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choking, first described in 1974. He also invented the Micro Trach portable oxygen system for ambulatory patients and the Heimlich Chest Drain Valve,...
a choke manifold is used to lower the pressure from the well head. It consist of a set of high pressure valves and at least two chokes. These chokes can...
no additional choke butterfly is required for cold starting with LPG. Some evaporators have an electric chokevalve, energising this valve, before starting...
engine controls, which are automated in modern passenger cars, were the chokevalve, ignition timing, and spark arrestor. In the past, all cars had manual...
A pressure regulator is a valve that controls the pressure of a fluid to a desired value, using negative feedback from the controlled pressure. Regulators...
production wing valve on the oil well Christmas tree. The reservoir fluids from each well are piped through a flowline to a chokevalve, which regulates...
Drilling Contractors (obsolete; superseded by IADC) AAV – Annulus access valve ABAN – Abandonment, (also as AB and ABD and ABND) ABSA – Alberta Boilers...
flow sensor, a modulating gas valve, an inlet water temperature sensor, and an outlet water temperature sensor-chokevalve.[clarification needed] A properly...
(series choke, shunt capacitor) sections. Two common filter geometries are known as Pi (capacitor, choke, capacitor) and T (choke, capacitor, choke) filters...
becomes choked with trapped air. In those cases, individual bleed screws on each radiator, or high pipe run, are opened manually. The valves are installed...
systems to minimise liquid carryover. The swirl valve is exactly the same as a Joule-Thomson (JT) chokevalve, but it enhances the performance of downstream...
coalesce. In oil production, co-produced water is mixed with the oil in chokevalves and process equipment producing water-in-oil emulsions. The amount of...
hydraulic lines, control pods, hydraulic accumulators, test valve, kill and choke lines and valves, riser joint, hydraulic connectors, and a support frame...
pistons were all forged. Exhaust valves were sodium filled for cooler operation. It has smaller valves and stiffer valve springs than n/a 16V. Crank torque...
before the secondaries, and use on-demand air valve plates above the secondary throttle plates. The air valves are connected by a cam and linkage to the secondary...
sends Dudley a letter to provide "written procedure for opening the chokevalve as quickly as possible" noting tests have "detected seep a distance from...
Tercels have a slightly different valve cover and timing belt cover than early AL11 Tercels, as well as an automatic choke, and automatically controlled hot...
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