Air pressure indication and control system for a tire stem air v

Details Air pressure indication and control system for a tire stem air v Air pressure indication and control system for a tire stem air v

1989-07-06

1991-02-12

Rivell, John

Fluid handling

Inflatable article

With pressure-responsive pressure-control means

137227, 13750525, 137613, 152427, F16K 1520

Patent

active

049916181

ABSTRACT:
A tire valve incorporates a visual gauge, an element for setting different air pressures. The valve cannot overinflate, as the valve locks at a maximum pressure. Further, an indicator actuates when underinflated, and the valve is designed to keep pressure for an indefinite period.

REFERENCES:
patent: 1308037 (1919-07-01), Buchek
patent: 1482947 (1924-02-01), Shorts
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patent: 1873303 (1932-08-01), De Langie
patent: 2024780 (1935-12-01), Ruckman
patent: 2510052 (1950-06-01), Navarro et al.
patent: 3451418 (1969-06-01), Nakagawa et al.
patent: 3738308 (1973-06-01), Barabino
patent: 3911988 (1975-10-01), Richards
patent: 4310014 (1982-06-01), Parker

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