US 11,655,905 B2
Multi-port valve
Joe Ledvora, Wheaton, IL (US); Philip C. Hawken, Darien, IL (US); and Thomas J. Davern, St. Charles, IL (US)
Assigned to Robertshaw Controls Company, Itasca, IL (US)
Filed by Joe Ledvora, Wheaton, IL (US); Philip C. Hawken, Darien, IL (US); and Thomas J. Davern, St. Charles, IL (US)
Filed on Apr. 4, 2018, as Appl. No. 15/945,173.
Claims priority of provisional application 62/483,167, filed on Apr. 7, 2017.
Prior Publication US 2018/0292016 A1, Oct. 11, 2018
Int. Cl. F16K 11/085 (2006.01); F16K 5/04 (2006.01)
CPC F16K 11/0856 (2013.01) [F16K 5/0471 (2013.01); F16K 11/0853 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A multi-port valve, comprising:
a housing defining an internal cavity, the housing further comprising a plurality of ports, wherein each of the plurality of ports is in communication with the internal cavity;
a shell body rotatably disposed within the internal cavity; and
a seal member having a plurality of openings and surrounding the shell body such that it circumscribes the shell body within the internal cavity;
wherein the plurality of ports includes a first port, a second port, and a third port, wherein the first port and the second port of the plurality of ports are arranged relative to one another such that they are angularly spaced apart from one another in an angular direction and situated at a same axial height relative to a longitudinal axis of the housing; and
wherein the third port is in at least a partially angularly overlapped arrangement relative to one of the first port or the second port in the angular direction and is axially spaced from the first port and the second port relative to the longitudinal axis;
wherein each opening of the plurality of openings of the seal member is associated with one of the plurality of ports such that each of the plurality of ports are sealed from one another along the outer periphery of the seal member.