Vacuum breaking device for ejector pump
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United States of America Patent
Stats
-
Sep 12, 1989
Grant Date -
N/A
app pub date -
May 26, 1988
filing date -
May 30, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A vacuum breaking device for an ejector pump is provided. The vacuum breaking device according to the present invention features that it is provided with a movable sealing valve for blocking the outlet port of the ejector hole of the pump when a vacuum generated in a system within the pump is be broken. The valve is arranged in opposite relationship with the ejector hole of the pump and shifts to block the outlet port due to the pressure of compressed air supplied to the air sucking chamber of the pump so that the leakage of the vacuum breaking compressed air from the ejector hole is prevented thereby increasing the efficiency of vacuum breaking operation. The vacuum breaking device is applicable to a vacuum sucking device for attracting and sucking an article so as to transfer it to a desired place.
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