The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 03, 2002
Filed:
Oct. 27, 1999
Applicant:
Inventor:
Miles P. Lamb, Chester, NJ (US);
Assignee:
Inteventio AG, Hergiswil, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B66B 9/04 ; B66B 1/102 ;
U.S. Cl.
CPC ...
B66B 9/04 ; B66B 1/102 ;
Abstract
A cooling device for a drive fluid of a lifting device which drives a car of a hydraulic elevator. A fan is present in order to cool the drive fluid. The fan is arranged on the car so that it can ventilate the interior of the car and at least part of the lifting device. The cooling device can be used as a main cooling system and as an auxiliary cooling system. It is suitable in particular for hydraulic elevator systems which do not have a hole in the earth to receive the lifting device.