← Back to Patent Explorer
EP0004487A1 Expired / Lapsed EP ⏱️ 0.0 years remaining

Continuously variable speed transmission

Assignee: Renault SA
•
Filing: 1979-02-21
•
Granted: —
•
Expires: 1999-02-21
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract Translated from French Transmission à variateur notamment pour véhicules automobiles. Variable drive in particular for motor vehicles. La transmission est constituée d'un variateur (28, 31, 25, 26, 40), lequel variateur peut être mis hors circuit de la transmission par enclenchement d'une liaison directe à rapport constant (17, 18, 19). Le système d'enclenchement (11) est un dispositif par tout ou rien. The transmission consists of a variator (28, 31, 25, 26, 40), which variator can be put out of circuit of the transmission by engagement of a direct link with constant ratio (17, 18, 19). The interlocking system (11) is an all-or-nothing device. Application principale à la transmission d'un véhicule automobile. Main application to the transmission of a motor vehicle.

Inventors

  • 👤 Jean Piret

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-08 01:35
CPC Classifications
F; F16; F16H; F16H37/00; F16H37/02; F16H37/021; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19023; Y10T74/19074; Y10T74/19079; Y10T74/19102

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

References Cited (Backward Citations)

FR1173510A Cited
FR1219000A Cited
FR1268226A Cited
FR1432631A Cited
US3686967A Cited

USPTO Annuity & Maintenance Windows

Maintenance schedule is calculated for granted US utility patents.

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag