US 12,018,627 B2
Exhaust valve, exhaust valve assembly and exhaust valve system for two-stroke internal combustion engines, two-stroke internal combustion engine having same and method for cleaning an exhaust valve
Justin Johnson, Silver Lake, WI (US); Roger Raetzman, Pleasant Prairie, WI (US); Mike Davenport, Pleasant Prairie, WI (US); and Joseph Zamora, Burlington, WI (US)
Assigned to BRP US Inc.
Filed by BRP US INC., Sturtevant, WI (US)
Filed on Jun. 23, 2022, as Appl. No. 17/848,204.
Application 17/848,204 is a division of application No. 16/915,876, filed on Jun. 29, 2020, granted, now 11,396,853.
Claims priority of provisional application 62/894,731, filed on Aug. 31, 2019.
Claims priority of provisional application 62/868,770, filed on Jun. 28, 2019.
Claims priority of provisional application 62/868,764, filed on Jun. 28, 2019.
Claims priority of provisional application 62/868,768, filed on Jun. 28, 2019.
Prior Publication US 2022/0316421 A1, Oct. 6, 2022
Int. Cl. F02F 1/42 (2006.01); F02F 3/00 (2006.01); F02F 7/00 (2006.01)
CPC F02F 1/4264 (2013.01) [F02F 3/00 (2013.01); F02F 7/0043 (2013.01)] 17 Claims
OG exemplary drawing
 
1. An exhaust valve assembly for a two-stroke internal combustion engine comprising:
a housing adapted for connection to an engine block of the two-stroke internal combustion engine;
an electric actuator comprising an electric motor, the electric motor being disposed in the housing; and
at least one reciprocating exhaust valve operatively connected to the electric actuator, the at least one exhaust valve being linearly movable by the electric motor, and a portion of the at least one exhaust valve being disposed in the housing.