US Patent Issued to Western States Equipment on Jan. 27 for "Hydraulic drive system" (Idaho Inventor)

ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,534,872, issued on Jan. 27, was assigned to Western States Equipment Co. (Boise, Idaho).

"Hydraulic drive system" was invented by Jason Bowen (Rathdrum, Idaho).

According to the abstract* released by the U.S. Patent & Trademark Office: "An improved hydraulic drive system utilizes a counterbalance units to eliminate hydraulic back pressure from rail wheel drive axel motors when the high rail drive system rail wheels are unpowered and coasting, a dedicated cavitation prevention pump to provide a constant supply of hydraulic fluid to the rail wheel drive axel motors when rail wheels are unpowered and coasting and thereby prevent cavitation, and a limited slip valve compensator that allo...