Fluid handling – With repair – tapping – assembly – or disassembly means – Assembling – disassembling – or removing cartridge type valve
Patent
1987-05-11
1988-11-08
Schwadron, Martin P.
Fluid handling
With repair, tapping, assembly, or disassembly means
Assembling, disassembling, or removing cartridge type valve
137360, 137605, 403319, 604119, F16K 3500
Patent
active
047828544
ABSTRACT:
The aspirator system of this invention is directed to an economical regulator assembly which can provide a substantially uniform vacuum without the need for periodic adjustment. The vacuum of the system can be easily and accurately adjusted, thereby accommodating changes in system pressure demands. The system is not prone to vacuum leakage or undesired vacuum fluctuations.
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patent: 4592741 (1986-06-01), Vincent
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Hepperle Stephen M.
Schwadron Martin P.
Staples James G.
Thomas Industries Inc.
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