US 12,228,211 B2
Directional control valve and method for setting connections
Ivan Mallinowski, Wassenberg (DE)
Filed by Ivan Mallinowski, Wassenberg (DE)
Filed on Apr. 5, 2022, as Appl. No. 17/713,780.
Application 17/713,780 is a continuation of application No. PCT/EP2020/078598, filed on Oct. 12, 2020.
Claims priority of application No. 102019127414.1 (DE), filed on Oct. 11, 2019.
Prior Publication US 2022/0299123 A1, Sep. 22, 2022
Int. Cl. F24F 13/02 (2006.01); F16K 11/074 (2006.01); F24F 7/04 (2006.01); F24F 11/00 (2018.01); F24F 13/08 (2006.01); F24F 13/10 (2006.01); F24F 13/12 (2006.01)
CPC F16K 11/074 (2013.01) [F24F 13/12 (2013.01); F24F 2203/02 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A directional control valve, comprising:
an exhaust air port for exhaust air;
a feed air port for feed air;
an outside air port for outside air;
a waste air port for waste air;
two heating paths ports;
two cooling path ports;
a switching element that is configured to connect each of the exhaust air port, the feed air port, the outside air port, and the waste air port with exactly one of the two heating paths ports and the two cooling path ports,
so that
the exhaust air port is connected with a first heating path port of the two heating path ports and the feed air port is connected with a second heating path port of the two heating path ports in a heating position of the switching element,
the exhaust air port is connected with a first cooling path port of the two cooling path ports and the feed air port is connected with a second cooling path port of the two cooling path ports in a cooling position of the switching element,
the outside air port is connected with a first heating path port of the two heating path ports and the feed air port is connected with a second heating path port of the two heating path ports in a winter ventilation position of the switching element,
the outside air port is connected with a first cooling path port of the two cooling path ports and the feed air port is connected with a second cooling path port of the two cooling path ports in a summer ventilation position of the switching element.