Frictionless rotary valve
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United States of America Patent
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Jul 12, 2022
Grant Date -
May 12, 2022
app pub date -
Nov 12, 2020
filing date -
Nov 12, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
A frictionless rotary valve comprising: a valve body to be connected within a gas meter, the valve body comprising: a seal, fixedly attached near an outlet of the valve body; and a valve disc, having a ball bearing attached to the valve body; and a gear mechanism comprising: a worm wheel engaged with a worm, wherein the worm wheel is attached to a second end of the valve disc; a drive gear connected to the worm, wherein a rotation of the drive gear in a clockwise direction rotates the worm wheel in an anti-clockwise and moves the valve disc in a closed position; a worm wheel stop, for restricting a movement of the worm wheel in the anti-clockwise direction and driving the worm wheel in a vertically upward direction; and a linear guide attached to the worm wheel.
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