Title:
CONTINUOUSLY VARIABLE TRANSMISSION DRIVING PULLEY
Document Type and Number:
WIPO Patent Application WO/2012/129417
Kind Code:
A8
Abstract:
A centrifugally actuated driving pulley for a continuously variable transmission (CVT) has a movable sheave that is connected to the fixed sheave via a ball spline assembly. Also disclosed is a driving pulley for a CVT having a movable sheave that is connected to the fixed sheave via a ball spline assembly, where at least some of the outer grooves receiving the ball bearings of the ball spline assembly are angularly offset from at least some of the corresponding inner grooves receiving the ball bearings of the ball spline assembly. Also disclosed is a driving pulley for a CVT having a movable sheave that is connected to the fixed sheave via a ball spline assembly, where at least some of the outer and inner grooves receiving the ball bearings of the ball spline assembly have a generally ogival cross-section. A CVT and a vehicle having a CVT are also disclosed.
Inventors:
AITCIN XAVIER-PIERRE (CA)
Application Number:
PCT/US2012/030145
Publication Date:
May 16, 2013
Filing Date:
March 22, 2012
Export Citation:
Assignee:
BOMBARDIER RECREATIONAL PROD (CA)
BRP US INC (US)
AITCIN XAVIER-PIERRE (CA)
BRP US INC (US)
AITCIN XAVIER-PIERRE (CA)
International Classes:
F16H9/12
Attorney, Agent or Firm:
CUTLER, Jonathan (1100 Boul. Rene-Levesque West,25th Floo, Montreal Quebec H3B 5C9, CA)
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