Do torque converters always waste fuel?(Maintenance & Repair)

Implement & Tractor;  March 1, 2005 ;     250 words ......the typical operator will choose a gear ratio low enough to pull through the tough areas, an then use that gear ratio all the way around the field to avoid...equipped tractor, he can select a higher gear ratio suited to the normal load. Then when...

A matter of gear ratio

New Straits Times;  December 21, 2003 ;     332 words ......Straits Times 12-21-2003 A matter of gear ratio Edition: 2* Column: Oh Toh's car talk...at 110km/h. I think it is due to high gear ratio. When at 100km/h, the tachometer shows...speed shows 2500 rpm. I do not have the gear ratio spec for the SE limited model. I assume...

Chaincase gearing.(snowmobiling )

Snow Goer;  December 1, 2006 ;     414 words ......this can be obtained with a lower gear ratio, but it might sacrifice acceleration...the hole or from corners, A lower gear ratio brings increased track speed at the same engine RPM. A higher gear ratio results in reduced top-end speed...

Japanese Inventors Develop Engine Variable Transmission Control Apparatus

US Fed News Service, Including US State News;  January 12, 2008 ;     321 words ......an engine stall occurring before a gear ratio of the continuously variable transmission...control apparatus includes sensors, a gear ratio return control unit, and a one-way clutch. One sensor detects a gear ratio of a continuously variable transmission...

U.S., German Inventors Develop Powertrain Multi-Clutch System

US Fed News Service, Including US State News;  February 9, 2007 ;     311 words ......simultaneously to provide a blended, gear ratio to a drivetrain. By varying the engagement...proportion of the torque transferred to the gear ratio associated with each set of friction elements, an intermediate, effective gear ratio is developed. This effective gear ...

Automatic tranny not as easy as it seems

Winnipeg Free Press;  November 10, 2006 ;     700+ words ......planetary gear sets to provide a wider gear ratio span for performance and economy. For...automatic transmissions have a first-gear ratio in the 2.5:1 or 3:1 range. This means...shaft turns one time. The steeper the gear ratio (larger ratio), the more torque is applied...

WIPO: Inventors in France Develop Gear Ratio Changing Method

US Fed News Service, Including US State News;  November 7, 2008 ;     230 words ......have developed a method for changing the gear ratio in a gearbox essentially for hybrid vehicles...relates to a "method for changing the gear ratio in a gearbox. The method for changing the gear ratio can be applied to a gearbox mounted in...

South Korean Inventor Develops Variable Steering Gear Ratio Apparatus

US Fed News Service, Including US State News;  May 19, 2007 ;     239 words ......Korea, has developed a variable steering gear ratio apparatus and a method that uses the same...invention provides a variable steering gear ratio apparatus adapted to adjust the steering gear ratio based on the vehicle speed and steering...

gear ratio

Webster's NewWorld Dictionary;      31 words ...Webster's NewWorld Dictionary 01-01-1988 gear ratio the fixed relationship between the rotating speeds of two gears indicating available torque Copyright 1994, 1991, 1988 Simon & Schuster, Inc.

Planetary gearheads boost torque, reduce speed.(X-Y-Z)

Assembly;  July 1, 2006 ;     630 words ......metric for planetary gearheads is the gear ratio. This ratio indicates the factor by which...ratio. For example, a gearhead with a gear ratio of 10-to-1 will reduce an input speed...will only feel 0.1 kg x [m.sup.2]. The gear ratio is the pitch diameter of the ring gear...

Slovak Inventor Develops Geared Segments with Variable Gear Ratio

US Fed News Service, Including US State News;  March 10, 2007 ;     251 words ......developed geared segments with variable gear ratio. According to the U.S. Patent & Trademark...the invention relates to a "variable gear ratio device featuring geared segments with variable gear ratio adapted for inclusion into mechanical...

New Mack Maxitorque[R] ES Transmissions Feature Host of Improvements,...

Fleet Equipment;  August 1, 2001 ;     518 words ......23.77 an a low ratio of 17.35. A top gear ratio of .73 allows operators to comfortably...of 27.31. With a slightly higher top gear ratio (.71) than that of the T310M, the T310MLR...has similar ratios and a lower first gear ratio (11.4) than its predecessor, the T2090...

Japanese Inventors Develop Mode Transfer Control Apparatus

US Fed News Service, Including US State News;  May 29, 2007 ;     293 words ......mode of a continuously variable transmission gear ratio mode and a fixed transmission gear ratio mode, a mode transfer to the other steady-sta...of the continuously variable transmission gear ratio mode and the fixed transmission gear ratio...

Freigtliner. (Components).

Construction Equipment;  December 1, 2001 ;     74 words ......engines with peak torques up to 520 foot-pounds, the MBT520 direct-drive transmission has an overall gear ratio of 9.20. With an overall gear ratio of 9.18, the MBT66O overdrive transmission is designed for engines with peak torque up to 660 foot-poun...

Japanese Inventors Develop Vehicle Engine Speed Transmission Controller

US Fed News Service, Including US State News;  April 21, 2008 ;     272 words ......transmission system steadily returns a gear ratio toward the low-ratio range during deceleration...instruction to the actuator which changes the gear ratio by varying the groove width of the driving...number of revolutions is set higher as the gear ratio is closer to the top-ratio ...