US 12,442,329 B1
Sensor system for a closed-cycle engine
Gerry McAfee, Cincinnati, OH (US)
Assigned to Hyliion Holdings Corp., Cedar Park, TX (US)
Filed by Hyliion Holdings Corp, Cedar Park, TX (US)
Filed on Sep. 11, 2024, as Appl. No. 18/830,667.
Int. Cl. F02B 67/00 (2006.01); F02B 77/08 (2006.01); G01S 17/36 (2006.01)
CPC F02B 77/08 (2013.01) [G01S 17/36 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An engine comprising:
an engine body;
a piston assembly positioned at least partially within the engine body and including a first piston and a second piston;
a connection member operably coupling the first piston to the second piston and causing the first piston and the second piston to move in conjunction with one another;
a sled operably coupled with the connection member;
a load member operably coupled with sled, the load member movable with the sled; and
a sensor system positioned through at least a portion of the engine body and operably coupled with the sled, the sensor system comprising:
a transmitter including a light source and a transmitter light guide configured to direct a modulated emitted light into a sled chamber defined by the engine body; and
a receiver including a receiver light guide and a photodetector configured to receive reflected light from the light source.