ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,460,639, issued on Nov. 4, was assigned to Edwards Ltd..
"Scroll pump with bearing diaphragm" was invented by Alan Ernest Kinnaird Holbrook (Burgess Hill, Great Britain), Nigel Paul Schofield (Burgess Hill, Great Britain) and David Bedwell (Burgess Hill, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A non-contacting scroll pump (100) comprising an orbiting scroll (130), a fixed scroll (120), a drive shaft (140) coupled to the orbiting scroll, wherein the drive shaft is movable relative to the fixed scroll in an axial direction. The non-contacting scroll pump further comprises an annular bearing (160b) extending around the drive shaft for s...