Apparatus for providing different flow rates of a fluid
CA 1103556 A · Owner: Caterpillar Tractor Co. · Inventors: Field, Jesse L. Jr.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, A fluid system (10 10A, 10B) which supplies, two work systems (26 38) with respective different fluid, flow rates including a pressure-flow compensated pump (12), a first control valve (18) for delivering the fluid to one of the work systems, a second control valve (28) for receiving the fluid from the first control valve and delivering the fluid to the other of the work systems (38) a first device (20,42,50 or 20,56,58 or 20,90,96) coupled between the pump output and the first control valve for providing one control signal causing the pump to produce one flow rate of fluid for activating the one work system (26), and a second device (20,40,44,46,50 or …
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
- Granted June 23, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 23, 1998.
- 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.