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:
Mar. 27, 1984
Filed:
Jul. 10, 1981
Herbert K Steuer, Bad Homburg, DE;
P.I.V. Antrieb Werner Reimers, GmbH & Co. KG, Bad Hamburg, DE;
Abstract
An infinitely variable cone pulley transmission has a first and a second pulley mounted on driving and driven shafts and connected by an endless belt. Each pulley is formed of first and second pulley discs. A hydraulic device sets and maintains each first pulley by hydraulic pressure in an axial position corresponding to a desired transmission ratio between the driving and the driven shafts. A torque sensor is mounted adjacent a second pulley disc for receiving a torque. The torque sensor has a pressing device mounted for axial displacement as a function of the torque and a valve arranged for displacement by the pressing device for varying the hydraulic pressure on the first pulley discs. The pressing device has a first ring torque-transmittingly and axially immovably mounted in the vicinity of the second pulley disc, a second ring relatively rotatably and axially slidably mounted between the second pulley disc and the first ring and forming a movable part of the valve. A torque transmitting device transmits torque from one ring to the other. The torque transmitting device comprises a cooperating camming arrangement carried by the two rings for axially displacing the second ring with respect to the first ring as a function of the torque applied to the second ring.