Fuel pump for automotive vehicles
CA 1071682 A · Owner: Swf-Spezialfabrik Fur Autozubehor Gustav Rau G.M.B.H. · Inventors: Schubert, Karl-Friedrich; Haar, Gerhard; Gakenholz, Werner
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
W. Gakenholz et al. 12-15-35 (Rev.), STAGGERED BRUSH ARRANGEMENT FOR FUEL PUMP MOTOR ABSTRACT OF THE DISCLOSURE:, A fuel supply pump for use in the fuel supply of a fuel tank said fuel pump being of the type which is driven by a commutator motor of the type in which external power is applied to the commutator solely by means of carbon brushes. The carbon brushes of the motor are axially staggered by at least one brush width so that separate sliding paths are assigned to the carbon brushes on the common commutator segments. Each of the sliding paths is in contact with only a respective one of the carbon brushes.
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 February 12, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 12, 1997.
- 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.