Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
On-grade shift logic with provision for skip downshifts










Image Number 4 for United States Patent #4916979.

An improved control system and method for an automatic/semi-automatic transmission system (10) including an automatic change gear transmission (12) driven by a throttle (26) controlled engine (14) is provided. The control system includes a processing unit (42) for receiving inputs indicating at least throttle position (THL) and vehicle speed (OS) and for determining vehicle deceleration (dOS/dt) and for processing these inputs in accordance with a program or logic rules to determine the selected engaged gear ratio and for issuing command signals to a transmission shifting mechanism (34). The processing unit includes logic rules by which vehicle performance is maximized and the control will evaluate and allow and/or execute skip downshifts upon sensing conditions indicative of vehicle deceleration due to ascending a steep grade.








 
 
  Recently Added Patents
Automated measurement of concentration and/or amount in a biological sample
Phenethanolamine derivatives for treatment of respiratory diseases
Random sampling for geophysical acquisitions
Handheld electronic device with text disambiguation employing advanced editing feature
Reliable and accurate usage detection of a software application
Therapeutic compositions and methods
Semiconductor device having a plurality of elements on one semiconductor substrate and method of manufacturing the same
  Randomly Featured Patents
Method and system for enhanced portal security through stereoscopy
One-shot process for making a filled detergent polyurethane foam
Poly(allyl)poly(alkenylphenols)
Non-volatile semiconductor memory device
Control of cure rate of polyurethane resin based propellants
Portion of a carton
Tub
Computer system for controlling allocation of physical links and method thereof
Non-toxic photographic developer composition for processing x-ray films in automatic film processors
Personal protection device