Self-vacuum arrangement for pneumatic equipment

Details Self-vacuum arrangement for pneumatic equipment Self-vacuum arrangement for pneumatic equipment

2008-03-18

2008-03-18

Leslie, Michael (Department: 3745)

Expansible chamber devices

With removal conduit for liquid seepage from expansible chamber

C092S087000, C060S412000

Reexamination Certificate

active

11385964

ABSTRACT:
A self-vacuum arrangement for pneumatic equipment is provided. A Venturi device having first and second ports and a central tap is provided. A first check valve having a first port operably coupled with the central tap of the Venturi device is configured to prevent pneumatic flow from the central tap through the first check valve. Optionally included is a second valve having a first port operably coupled with the first port of the Venturi device, and a second port operably coupled with the second port of the Venturi device.

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patent: 2316474 (1998-02-01), None

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