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expansion bellows

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См. также в других словарях:

  • Bellows — Bel lows, n. sing. & pl. [OE. bely, below, belly, bellows, AS. b[ae]lg, b[ae]lig, bag, bellows, belly. Bellows is prop. a pl. and the orig. sense is bag. See {Belly}.] An instrument, utensil, or machine, which, by alternate expansion and… …   The Collaborative International Dictionary of English

  • Bellows camera — Bellows Bel lows, n. sing. & pl. [OE. bely, below, belly, bellows, AS. b[ae]lg, b[ae]lig, bag, bellows, belly. Bellows is prop. a pl. and the orig. sense is bag. See {Belly}.] An instrument, utensil, or machine, which, by alternate expansion and… …   The Collaborative International Dictionary of English

  • Expansion joint — For the railway specific expansion joints, see Breather switch. Expansion joint on a bridge An expansion joint or movement joint is an assembly designed to safely absorb the heat induced expansion and contraction of various construction materials …   Wikipedia

  • Bellows — For other uses, see Bellows (disambiguation). Diagram of a fireplace hand bellows. A bellows is a device for delivering pressurized air in a controlled quantity to a controlled location. Basically, a bellows is a deformable container which has an …   Wikipedia

  • Bellows (disambiguation) — A bellows is a device for delivering pressurized air in a controlled quantity to a controlled location.Bellows may also refer to: * Bellows (photography) * Metal bellows * Bellows Air Force Station * Expansion joints See also * George Bellows *… …   Wikipedia

  • bellows pocket — noun : a pocket with an expansion pleat applied to the outside of a garment * * * bellows pocket, a patch pocket made with box pleats to give room for expansion …   Useful english dictionary

  • bellows — Devices used for measuring pressure. They are circular corrugated metal capsules, which are either evacuated or filled with an inert gas. As the pressure changes, the bellows either contract or expand, and this expansion/contraction is converted… …   Aviation dictionary

  • expansion joint — any device containing one or more bellows used to absorb dimensional changes, such as those caused by thermal expansion or contraction of a pipeline, duct, or vessel …   Mechanics glossary

  • bellows — noun plural but singular or plural in construction Etymology: Middle English bely, below, belwes more at belly Date: before 12th century 1. an instrument or machine that by alternate expansion and contraction draws in air through a valve or… …   New Collegiate Dictionary

  • bellows — the flexible element of an expansion joint consisting of one or more convolutions and the end tangents, if any …   Mechanics glossary

  • Metal bellows — are elastic vessels that can be compressed when pressure is applied to the outside of the vessel, or extended under vacuum. When the pressure or vacuum is released, the bellows will return to its original shape (provided the material has not been …   Wikipedia

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