Fluid handling – Systems – Multi-way valve unit
Patent
1981-08-24
1984-03-13
Rosenthal, Arnold
Fluid handling
Systems
Multi-way valve unit
251172, 251177, 251 93, 251 96, F16K 1108, F16K 514
Patent
active
044361165
ABSTRACT:
A four-way valve for use in a railroad air brake system has a housing with an internal chamber and a plurality of ports in communication with the chamber. Two of the ports are adapted for connection to a railroad car brake pipe with an intermediate port being adapted for connection to the railroad car air brake system. A valve member is movable within the chamber between a plurality of positions, there being a position to close each port and a neutral position in which all ports are in communication with the chamber. The improvement is specifically directed to a seal member carried by the valve member and spring means which urge the seal member outwardly of the valve member and toward the described ports. Each port has seal means which include a floating seal ring within each port, with each floating seal ring being positioned for sealing contact with the valve member seal member.
REFERENCES:
patent: 2652226 (1953-09-01), Huff
patent: 3269692 (1966-08-01), Shafer
patent: 3386699 (1968-06-01), Petter et al.
patent: 3827671 (1974-08-01), Bolden et al.
patent: 4232709 (1980-11-01), Zoric
Rosenthal Arnold
Sloan Valve Company
LandOfFree
Four-way valve does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Four-way valve, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Four-way valve will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-487244