About 43 results
https://drivepatents.com/patents/981972 · 13 Nov 2013
A method of controlling a drive system (14) includes receiving a machine travel speed request, and determining an output speed of a variator (28), associated with the drive system (14), required to satisfy the travel speed request at a current power source...
https://drivepatents.com/patents/984095 · 4 Sep 2013
The system (1) has a pneumatic energy storage system (4) that includes a starting tank (8) and a main container (9). The starting tank and the main container are mounted in series with each other. The starting tank is interposed between the main container ...
https://drivepatents.com/patents/984193 · 4 Sep 2013
A power transmission apparatus is provided that can achieve the enhancement of fuel consumption, the reduction of noise, and the improvement of heat balance performance and achieve the improvement of energy efficiency. The power transmission apparatus incl...
https://drivepatents.com/patents/988574 · 24 Jul 2013
A hydraulic pump/motor (110) having: a hydraulic chamber (112); a primary piston (114) for reciprocation in the hydraulic chamber and mechanically coupled to a connect rod; a slave piston (116) for reciprocation in the hydraulic chamber; a inlet/outlet por...
https://drivepatents.com/patents/989399 · 26 Jun 2013
An electro-hydraulic drive system for a work machine which drives an upper rotary body (16) by controlling a flow rate of a hydraulic fluid by a control valve (6), comprises an electro-hydraulic pump (3) including a hydraulic pump (4) driven by an engine (...
https://drivepatents.com/patents/991240 · 1 May 2013
An automatic transmission is provided with a frictional engagement member (1) that is operated by hydraulic pressure (Pc) for shifting the automatic transmission, and includes an air vent opening (5). An automatic transmission controller includes a pressur...
https://drivepatents.com/patents/985212 · 3 Apr 2013
The method involves adjusting the pressure of compressed air during transfer of the compressed air from a compressed air tank (22) to a cylinder of a thermal engine, so as to improve the transfer of the compressed air. The pressure of the compressed air in...
https://drivepatents.com/patents/992429 · 20 Mar 2013
A traveling hydraulic handling machine of energy-saving type includes a driving system and a control system for both hoisting and traveling. The hydraulic handling machine converts partly potential energy of a heavy object before being lowered and kinetic ...
https://drivepatents.com/patents/993541 · 23 Jan 2013
The vehicle has a high-pressure accumulator (12), into which a hydraulic motor (10) is provided for storing braking energy during deceleration of volume flow. The volume flow of the hydraulic motor is driven to support a vehicle operator by the high pressu...
https://drivepatents.com/patents/994664 · 26 Dec 2012
This disclosure is directed towards a hydraulic system for providing auxiliary drive to a powertrain (11) and a hydraulic circuit (12) by storing and releasing hydraulic fluid using an accumulator (29). A hydraulic drive system (10) comprises an engine (14...