Apparatus for generating pulsed impingement jets in freezers
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United States of America Patent
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Oct 27, 2020
Grant Date -
Oct 12, 2017
app pub date -
Apr 7, 2016
filing date -
Apr 7, 2016
priority date (Note) -
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Abstract
An apparatus provides pulsed impingement jets to a sub-chamber within an impingement hood of a freezer, and includes a blower having an inlet and an outlet at an interior of the freezer; a duct having a first end in fluid communication with the outlet and a second end opening into the sub-chamber; and a flow valve disposed in the duct proximate the second end opening, the flow valve movable in repetitive open and closed positions for providing repetitive, discrete pulses of the impingement jets from the second end opening of the duct into the sub-chamber.
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