VACUUM SUPPLY SOURCE
Number of patents in Portfolio can not be more than 2000
United States of America
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Issued Date -
Jan 9, 2025
app pub date -
Dec 19, 2022
filing date -
Dec 19, 2022
priority date (Note) -
Published
status (Latency Note)
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Abstract
A vacuum supply source (100) includes a first vacuum pump (110) configured for providing vacuum pressure at a first maximum vacuum level; a second vacuum pump (120) configured for providing vacuum pressure at a second maximum vacuum level (P2), the first vacuum pump (110) having a larger capacity than the second vacuum pump (120); a flow limiter valve (140) arranged between the vacuum pumps (110, 120); a vacuum conduit (130), connected to the vacuum pumps (110, 120); and a controller (150) configured to obtain a request for a desired vacuum level (PR), determine a required pump speed of the first and/or second vacuum pumps (110, 120) in order to provide vacuum pressure at the desired vacuum level (PR), and adjust pump speed of the first and/or second vacuum pumps (110, 120) according to the determined required pump speed, via a control signal.
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