06863083 is referenced by 3 patents and cites 113 patents.

A valve is disclosed for dispensing a flowable material. The valve has a first chamber (40) at a first pressure wherein said first chamber (40) defines an outlet (28) in communication with said first chamber (40). A second chamber (42) is at a second pressure. The valve has a stop (18) indexed against a third pressure, operating to selectively place the first chamber (40) into communication with the second chamber (42). The stop (18) is operative to connect the second chamber (42) to said first chamber (40) when the first pressure is less than the third pressure.

Title
Vacuum demand flow valve
Application Number
10/375519
Publication Number
6863083 (B2)
Application Date
February 26, 2003
Publication Date
March 8, 2005
Inventor
Julian F R Swan
London
GB
Mark E Williamson
Wonder Lake
IL, US
Hal C Danby
Sudbury
GB
Agent
Paul J Nykaza
Bradford R L Price
Assignee
Baxter International
IL, US
IPC
F16K 031/126
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