Valves and valve actuation – With means to increase head and seat contact pressure – Seat pressed to valve
Patent
1977-08-22
1979-01-02
Rosenthal, Arnold
Valves and valve actuation
With means to increase head and seat contact pressure
Seat pressed to valve
251191, 251210, 251DIG1, F16K 144
Patent
active
041323866
ABSTRACT:
The invention is an improved valve mechanism for controlling the flow in conduit to be used in combination with an adjustable valve. The adjustable valve includes a T-shaped valve body having a first bore extending therethrough and a second bore adjacent to the first bore. The adjustable valve also includes a stem having an inner end and an axially outer end which extends through one of the ends of the first bore and a device for forming a seal between the first bore and the stem. The valve mechanism includes a cylindrically shaped sealing member having a bore axially aligned with the first bore of the valve body and being disposed within the first bore adjacent to the end thereof oppositely disposed from the stem. The sealing member has a cylindrical inner sidewall and a truncated-conical outer sidewall adjacent to its top portion and a cylindrical outer sidewall adjacent to its bottom portion. The valve mechanism also includes a cylindrically shaped valve member which is adapted to slideably engage around the outer cylindrical sidewall of the sealing member and which is mechanically coupled to the stem so that its inner sidewall may travel along and adjacent to the outer sidewall of the sealing member.
REFERENCES:
patent: 1197583 (1916-09-01), Sheridan
patent: 1954044 (1934-04-01), Guildford
patent: 2782800 (1957-02-01), Hillebrand
patent: 2927767 (1960-03-01), Ray
Johansen W. Edward
Rosenthal Arnold
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