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81results about How to "Appropriate arrangement" patented technology

Exhaust-valve lifting and lowering cam, turbocharged four stroke engine and valve timing control method

Providing a cam for lifting and lowering the exhaust valve so that the exhaust gas return-flow from one cylinder to another cylinder can be realized as greatly as possible, wherein the pistons and the exhaust valves do not come in contact with each other, and the valve control method does not depend on an electronic control approach. An exhaust cam for lifting and lowering the valve lift of the exhaust valve of one of the cylinders wherein the cam profile of the exhaust cam regarding the one of the cylinders including, but not limited to: a main exhaust lobe part for opening the exhaust valve so that the exhaust gas is discharged out of the cylinder; and, a gas return lobe part for opening the exhaust valve so that the quantity of the exhaust gas from the one of cylinders to the other cylinder is increased, the gas return lobe part being formed on the cam-follower descending part of the profile so as to delay the closing timing of the exhaust valve or maintain the valve lift-displacement regarding the exhaust valve larger, and wherein the cam profile is formed so that the interference between the exhaust valve and the piston is evaded and the overlap regarding the exhaust valve of the one cylinder and the exhaust valve of the other cylinder is increased by the manner that the main exhaust lobe part and the gas return lobe part rise outward from the base circle.
Owner:MITSUBISHI HEAVY IND LTD

Automobile side-turning-preventing device and method based on double-gyro stabilizer

The invention discloses an automobile side-turning-preventing device based on a double-gyro stabilizer, further discloses a side-turning-preventing method, and belongs to the field of automobile active safety. A side-turning detecting module, an electronic control unit, a first gyro stabilizer module, a second gyro stabilizer module, a power supply and an alarm are arranged on an automobile, thusthe side-turning detecting module is used for detecting automobile speed signals and side-turning signals, and the electronic control unit is used for judging the traveling state and the side-turningtendency of the automobile. When the automobile has side-turning danger, alarm is sent to a driver through the alarm, meanwhile the first gyro stabilizer module and the second gyro stabilizer module are controlled to work, and the side-turning-resisting torque is output to achieve emergency protection for passengers in the automobile. The defects that an existing side-turning-preventing device iscomplex in structure, low in response speed and not capable of effectively providing enough aligning torque are overcome, the active side-turning-preventing capacity of the automobile is improved, andthe automobile side-turning-preventing device is simple in structure, good in applicability, good in controllability and good in side-turning-preventing property.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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