Apparatus for heating an operating cabin
CA 1185943 A · Owner: Klockner-Humboldt-Deutz Ag · Inventors: Nieden, Achim Z.; Okulicz, Konrad
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An apparatus for heating the operating cabin of a machine, uses as the heating medium, the oil in an internalcombustion engine, the said oil being raised to a high pressure by a hydraulic pump and being relieved-expanded in a throttle-element for heating, In order to accelerate the warming up of the internal-combustion engine the flow of, engine oil arriving from the hydraulic pump is fed to engine lubricating- or cooling-oil system in front of the bearing locations, In order to add to the supply of heat to some of the oil contained in the said engine, the hydraulic pumps draw in a partial flow of the engine lubricating and cooling oil, in short-circuit, after a lubricating-oil pump Both, …
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 April 23, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 23, 2002.
- 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.