air gap


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air gap

[′er ‚gap]
(electronics)
A gap or an equivalent filler of nonmagnetic material across the core of a choke, transformer, or other magnetic device.
A spark gap consisting of two electrodes separated by air.
The space between the stator and rotor in a motor or generator.
(engineering)
The distance between two components or parts.
In plastic extrusion coating, the distance from the opening of the extrusion die to the nip formed by the pressure and chill rolls.
The unobstructed vertical distance between the lowest opening of a faucet (or the like) which supplies a plumbing fixture (such as a tank or washbowl) and the level at which the fixture will overflow.
(geology)
(petroleum engineering)
In an offshore drilling operation, the distance from the normal sea surface level to the bottom of the base of the drilling platform.

air gap

air gap, 2
air gap, 1
1. The unobstructed vertical distance between the lowest opening of a faucet (or the like) which supplies a plumbing fixture (such as tank or wash bowl) and the level at which the fixture will overflow.
2. In a drainage system, the unobstructed vertical distance between the outlet of a waste pipe and the flood-level rim of the receptacle into which it discharges.
3. A gap in an electric or magnetic circuit; usually acts as a high-resistance path in the circuit.
References in periodicals archive ?
The basic antenna uses small air gap offers dual bands with impedance bandwidths of 5.
The units have a slight vacuum imposed on the air gap when they are being made; you can see a slight dishing if you look closely.
The optimum thickness of air gap in the air gap piston is found to be 3 mm (Rama Mohan, 1995) for better performance of the engine with superni inserts with diesel as fuel.
Increasing the air gap length, maximum power density will change in AFPM motors.
The KAX valve is available in larger sizes, with four models from 11/4" to 2" (32mm to 50mm) and is therefore particularly suitable for Type AA and AB air gaps where valves larger than 1" are required.
The generators were of a conventional construction of a typical synchronous generator with radial magnetic flux in the air gap between the inner rotor and the outer stator.
The modeling showed that metal preferentially runs along the bottom of the runner at relatively high velocity (150 cm/second) and that there is a substantial air gap above the flow of metal toward the gate.
The ATS643LSH 2-wire sensor is optimized to address the difficulties of transmission speed sensing, including withstanding dynamic changes in air gap, while maintaining good duty cycle.
Dorbolo and Vandewalle say they've conducted recent experiments that suggest that the antibubbles oppose van der Waals attractions with some counterforce, perhaps electrostatic repulsion, between detergent molecules that protrude into the air gap from the liquid on either side.
The double-glazed Planar[TM] facade comprises a 10mm inner pane, a 16mm air gap and a 6mm Pilkington K[TM] glass outer pane.
More recently, Allen and Segura (1990) reported that an air gap of 20 mm between the access tube wall and auger hole reduced the slopes of neutron count ratio to water content relationship by 12% for polyvinylchloride access tubes, and by 9% for aluminium access tubes.
Well-suited for stamping dies, robots, testing machines and packaging machinery, the G-Power Remote that provides a "connector-less" hook-up that transmits power and sensor signals across an air gap up to 12mm, even through glass or plastic.