US Patent Issued to HITACHI ASTEMO on March 24 for "Compressor" (Japanese Inventors)

ALEXANDRIA, Va., March 24 -- United States Patent no. 12,584,472, issued on March 24, was assigned to HITACHI ASTEMO LTD. (Ibaraki, Japan).

"Compressor" was invented by Kan Kobayashi (Hitachinaka, Japan) and Takao Nakadate (Hitachinaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A piston (18) of a compressor (1) partitions the inside of a cylinder (17) into a compression chamber (21) and a suction chamber (22). A communication passage (19A) is formed in the piston (18). The communication passage (19A) establishes communication between the compression chamber (21) and the suction chamber (22). The suction valve (23) opens and closes an opening (19A1) of the communication passage (19A). The suction v...