TONAND BRAKES INC.
|TONAND BRAKES INC. Patent applications|
|Patent application number||Title||Published|
|20140174230||GEAR HUB HAVING A GEAR PUMP - A gear hub assembly is disclosed that has a sealed housing that includes an input gear and an output gear that are meshed together to provide a gear pump to move fluid between a fluid inlet and a fluid outlet disposed on opposite sides of engagement of the input and output gear. The housing defines an axle shaft-receiving aperture and a wheel spindle-receiving aperture to allow the gear hub assembly to transmit torque from a vehicle axle shaft to a wheel spindle while operating as a gear pump. The fluid inlet and outlets can be coupled to a hydraulic system to provide braking (or kinetic energy recovery) by restricting the flow of hydraulic fluid which in turn resists rotation of the gears in the gear hub, and thus can act to slow the vehicle.||06-26-2014|
|20130330224||MULTI-CLUSTER GEAR DEVICE - A multi-cluster gear device operable to function as a pump, a motor or operable to alternate between a pump and a motor.||12-12-2013|
|20120282114||AIR PUMP - An air pump is provided that is configured to move and compress air into an air storage vessel at high pressure. The air pump is operable to move large volumes of air against low resistance for rapid filling of an air storage vessel.||11-08-2012|
|20120260794||PASSIVE PISTON UNIT - A piston unit is disclosed that utilises an elastic volume to store and release energy with each stroke by varying the hydraulic fluid volumes in and out of the hydraulic unit.||10-18-2012|
|20090205615||VARIABLE COMPRESSION RATIO SYSTEM - A variable compression ratio system for use in a reciprocating-piston engine. The system allows the compression ratio in a combustion cylinder of the engine to be varied by varying the distance from a combustion chamber facing surface of a piston to the center of pivotal connection of a connecting rod to a crankshaft. The distance is varied responsive to the supply and withdrawal of pressurized hydraulic fluid. The hydraulic fluid is supplied and discharged by a slave pump pivotally connected to the connecting rod at a first end and pivotally connected to a stationary point at a second end. The slave pump supplies and withdraws hydraulic fluid responsive to the rotation of the crankshaft and a hydraulic backpressure controlled using a pressure control valve.||08-20-2009|
|20090188249||REGENERATION SYSTEM - A regeneration system for use in a vehicle having a reciprocating-piston engine. The regeneration system captures energy (e.g. braking energy), stores the energy, and subsequently uses the stored energy to generate motive power for the vehicle. The motive power can be generated in conjunction with motive power provided by the engine. The regeneration system comprises a variable displacement pump/motor that is connected to a connecting rod in each cylinder of the engine. The pump/motor comprises a fluid chamber, a primary piston mechanically coupled to the connecting rod and a slave piston coupled to the primary piston via resilient means. A control unit controls a plurality of valves to direct the exchange of pressurized hydraulic fluid between the pump/motor and a hydraulic accumulator in synchronous timing with the operation of the engine.||07-30-2009|
Patent applications by TONAND BRAKES INC.