Patent · US Expired

Shift control for automatic transmission for effective engine brake running

US5054336A · kind A · utility

12Cited by
2References
9Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 24, 1989
Grant dateOct 8, 1991
Priority date
Expiry dateApr 24, 2009

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16H2061/0237
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

An automatic transmission for an automotive vehicle is disclosed wherein a shift in gear position is controlled such that a new gear position which the automatic transmission should be conditioned in is determined in response to deceleration which the automotive vehicle is subject to and a present gear position which the automatic transmission is conditioned in, and a downshift is effected in the automatic transmission from the present gear position down to the new gear position. As a result, engine brake running fit to the driver's demand is produced.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.