US Patent Issued to SANDEN on March 31 for "Scroll compressor" (Japanese Inventors)

ALEXANDRIA, Va., March 31 -- United States Patent no. 12,590,583, issued on March 31, was assigned to SANDEN Corp. (Gunma, Japan).

"Scroll compressor" was invented by Taizo Sato (Gunma, Japan), Misako Kaburagi (Gunma, Japan), Hitoshi Akuzawa (Gunma, Japan), Eiichi Oshio (Gunma, Japan) and Kyoshiro Nishiyama (Gunma, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided a scroll compressor capable of stopping breakage even when a rear bearing supporting a shaft has an outer diameter dimension larger than an outer diameter dimension of a shaft seal. The scroll compressor includes a rear bearing 18 press-fitted and fixed to the center casing 6 to support the shaft 14, and a shaft seal 58 dispose...