Book Description
This digital document is an article from Automotive Design & Production, published by Gardner Publications, Inc. on March 1, 2004. The length of the article is 613 words. The page length shown above is based on a typical 300-word page. The article is delivered in HTML format and is available in your Digital Locker immediately after purchase. You can view it with any web browser.Citation Details
Title: One pumped-up automatic.(Parts Bin)(Infinitely Variable Transmission introduced by Torvec, Inc.)
Author: Christopher A. Sawyer
Publication: Automotive Design & Production (Magazine/Journal)
Date: March 1, 2004
Publisher: Gardner Publications, Inc.
Volume: 116 Issue: 3 Page: 72(1)Distributed by Thompson Gale

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What Is It? The Infinitely Variable Transmission (IVT), a hydro-mechanical replacement for conventional automatic transmissions in diesel-powered vehicles. "Our goal in creating the IVT was to manage a diesel engine in such a way that you could take advantage of its low-rpm torque capability," says Torvec, Inc. (Pittsford, NY) president Keith Gleasman, "to get fuel economy on par with a diesel/manual gearbox combination." The transmission displaces 12.7 in. (3), is capable of 300 hp., is 16.5-in. long and 7-in. in diameter, and weighs 78 lb. The hydraulic pump and motor are 80% interchangeable, with identical pistons (nine in each unit), cylinder blocks, housings and valving. A gearset reminiscent of the Torsen differential (invented by Gleasman and...