air chamber


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air chamber

[′er ‚chām·bər]
(mechanical engineering)
A pressure vessel, partially filled with air, for converting pulsating flow to steady flow of water in a pipeline, as with a reciprocating pump.

air chamber

In a water piping system near a valve or faucet, a vertical pipe stub which is sealed at the top and contains air; the entrapped air provides a cushion when the valve is closed suddenly, thereby eliminating the noise of water hammer.
References in periodicals archive ?
Because the upper chamber of the single air chamber spring is connected with the atmosphere, the force provided by the upper air chamber is a constant value.
In this study, the return air to the inlet of the cooling coil is called the primary recirculation air (ra1), the air chamber where the outdoor air (oa) mixes with the primary recirculation air (ra 1) is called the primary mixing air chamber, and the mixed air is called the primary mixed air.
In the formula, n is the gas variable index; [p.sub.0] is the internal gas pressure when the air spring is balanced; [A.sub.e] is the effective area of the air spring body; [V.sub.10] is the initial volume of the gas in air spring body; [V.sub.20] is the initial volume of the gas in the additional air chamber; [p.sub.at] is the atmospheric pressure; Cis the drag coefficient between the air spring body and the additional air chamber; [[rho].sub.0] is the initial gas density inside the air spring body; [d.sub.a] is the damping of the air spring body capsule; [d.sub.r] is the damping of the series connection rubber pile.
Under static equilibrium state of the air chamber, the initial volume and initial pressure satisfy the following mathematical relations:
Offering significant advantages in bike set-up, the SFF Air system allows riders to make set-up changes quickly and easily by simply adjusting air pressure in the internal air chamber.
The patented air chamber design cools castings efficiently and quietly, while the vibratory action shuffles castings in an oriented path with no casting damage.
The secret to the fast heat is the firebox beneath the metal oven with heat rising through an air chamber surrounding the barrel.
"Lexus engineers have channeled resonant noise from the main air chamber to adjacent hollow areas within the wheels via resonator holes, resulting in an incredibly quiet ride."
Designed by Guillot Lapiedra and lighting designer Ron Neal of Ron Neal Lighting Design in Carlsbad, CA, it comprises static blue LEDs that illuminate a seven-and-a-half-story aluminum architectural skin, static red LEDs that light the eighth-story roof, and color-changing LEDs that switch between blue and red in the eight-story air chamber that punctuates the middle of the building's north side.
Select Comfort Corporation (NASDAQ:SCSS), a designer and manufacturer of air chamber technology, branded mattresses, bases and bedding accessories, on Monday named its SVP and chief information officer (CIO), Wendy Schoppert, as CFO with effect from 6 June 2011.
Pressing a button raises a slim aerofoil on the front of the header rail to push the airflow over the open cabin and combined with a simple draught-stop panel in the rear it produces a positively balanced warm air chamber when the windows are raised.