US Patent Issued to HITACHI-JOHNSON CONTROLS AIR CONDITIONING on Nov. 3 for "Compressor" (Japanese Inventors)

ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,781,742, issued on Nov. 3, was assigned to HITACHI-JOHNSON CONTROLS AIR CONDITIONING INC. (Tokyo).

"Compressor" was invented by Allen Feng (Tokyo), Jason Peng (Tokyo), Ben Ma (Tokyo) and Allen Zhu (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A compressor with a fixed scroll that includes an intake guide passage. The casing includes an intake pipe and the intake guide passage includes a main intake port, an auxiliary intake port, and an outlet port that communicate with each other. The fixed scroll includes an intake cover, and an end face of an end of the intake cover facing towards the orbiting scroll is an open end face. The main intake port i...