Gas jet pump, and apparatus using same
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Sep 16, 1980
Grant Date -
N/A
app pub date -
Dec 11, 1978
filing date -
Dec 11, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A gas jet pump (10) for producing a secondary flow of gas from a primary flow. The jet pump is disclosed as a tubular body (28) having a flow passage into which the primary flow is introduced through a plurality of jet openings (36, 38, 40) in the tubular body. Each jet opening has axial and circumferential components and is tangent with the surface defining the flow passage so as to produce a vortical flow in an axial direction within the body upon introduction of high pressure gas through the openings. The primary flow produces an amplified secondary flow through the tubular body. An annular manifold (22, 24, 26) is mounted on the tubular body to selectively feed the primary flow to the jet openings. The gas jet pump has application in sheet glass treating apparatus (50, 110), and has particular utility in apparatus used to bend sheet glass. A method of manufacturing a gas jet pump is also disclosed.
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