Pressurized hydraulic fluid system with remote charge pump
CA 2549910 C · Owner: Bosch Rexroth Corporation · Inventors: Rose, Kenric B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A pressurized hydraulic fluid system includes a charge pump (16) a hydraulic , motor (24) drivingly coupled to the charge pump and a main hydraulic unit , (12) adapted to function as a pump to drive the hydraulic motor. The charge pump (16) is in fluid communication with the main hydraulic unit (12) for maintaining a sufficient inlet pressure in the main hydraulic unit (12) when it functions as the pump. The system further includes a hydraulic fluid reservoir (20) in fluid communication with an inlet of the charge pump a , hydraulic accumulator (22) in fluid communication with the main hydraulic unit, and a return flow passage (11) fluidly connecting the main hydraulic unit with the …
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed November 8, 2004 and granted January 3, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 8, 2024.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.