Valve improvements

Fluid handling – Liquid level responsive or maintaining systems – By float controlled valve

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

137449, 13751629, 251332, 251333, 251900, F16K 3122, F16K 3300, F16K 2500

Patent

active

049017543

ABSTRACT:
Valve assemblies having a valve seat with a conical surface for causing an included O-ring to roll upon and wedge against the conical surface for closing the port when a spherical valve member is forced against the O-ring.

REFERENCES:
patent: 511995 (1894-01-01), Buckley
patent: 540760 (1895-06-01), Sawyer
patent: 757873 (1904-04-01), Allen
patent: 924641 (1909-06-01), Crispin
patent: 1073354 (1913-09-01), Lauterbach
patent: 1294002 (1919-02-01), Weatherhead
patent: 1366028 (1921-01-01), Schlag
patent: 1698990 (1929-01-01), Derryberry
patent: 2111473 (1938-03-01), Hudson
patent: 2347092 (1944-04-01), Evans
patent: 2358228 (1944-09-01), Hoof
patent: 2476434 (1949-07-01), Spang
patent: 2538364 (1951-01-01), James et al.
patent: 2676782 (1954-04-01), Bostock et al.
patent: 2738803 (1956-03-01), Manning
patent: 2752941 (1956-07-01), Mitchell
patent: 2764172 (1956-09-01), Strayer
patent: 2768704 (1956-10-01), Cronkhite
patent: 2909186 (1959-10-01), Larson
patent: 2912000 (1959-11-01), Green
patent: 2935990 (1960-05-01), Biddle
patent: 3152604 (1964-10-01), Frye et al.
patent: 3200839 (1965-08-01), Gallagher
patent: 3216451 (1965-11-01), Smallpeice
patent: 3248056 (1966-04-01), Obermaier
patent: 3396974 (1968-08-01), Nord
patent: 3401751 (1968-09-01), Loftin et al.
patent: 3586032 (1971-06-01), Weinstein
patent: 3620653 (1971-11-01), Gaylord et al.
patent: 3731905 (1973-05-01), Piet
patent: 3736950 (1973-06-01), Smallwood
patent: 3759281 (1973-09-01), Falcuta
patent: 3786829 (1974-01-01), Nardo et al.
patent: 3957640 (1976-05-01), Stack
patent: 4036467 (1977-07-01), Dalton
patent: 4094346 (1978-06-01), Milo
patent: 4230142 (1980-10-01), Saarem et al.
patent: 4402340 (1983-09-01), Lockwood, Jr.
patent: 4408632 (1983-10-01), Kent
patent: 4457325 (1984-07-01), Green
patent: 4562852 (1986-01-01), Britt
patent: 4574048 (1986-03-01), van den Broek
patent: 4606365 (1986-08-01), Siposs
patent: 4640304 (1987-02-01), Looney
The Johnson Corporation Bulletin VB-1001, "Vacuum Breakers", 6-12-84.
The Johnson Corporation, Private Communication including letter dated 1/3/85 and Drawing dated 6/23/82 pp. 6-25 and 6-26 of Parker Handbook.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Valve improvements does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Valve improvements, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Valve improvements will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-1609116

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.