초록 ▼

A method of increasing the exhaust braking power of a four-stroke, reciprocating piston internal combustion engine, whereby in the braking operation, in a first and third stroke air is drawn in via an intake valve, and in a second and fourth stroke the air is compressed and, by partially opening an

A method of increasing the exhaust braking power of a four-stroke, reciprocating piston internal combustion engine, whereby in the braking operation, in a first and third stroke air is drawn in via an intake valve, and in a second and fourth stroke the air is compressed and, by partially opening an exhaust valve, is discharged against a damper that is disposed in an exhaust pipe or manifold. In order to increase the final compression pressure, i.e. to increase the energy that is to be applied for the compression, the exhaust valve is briefly opened at both the beginning and the end of the compression stroke.

대표청구항 ▼

In a method of increasing the exhaust braking power of a four-stroke, reciprocating piston internal combustion engine, whereby in the braking operation, in a first and third stroke air is drawn in via an intake valve, and in a second and fourth stroke the air is compressed and, by partially opening

In a method of increasing the exhaust braking power of a four-stroke, reciprocating piston internal combustion engine, whereby in the braking operation, in a first and third stroke air is drawn in via an intake valve, and in a second and fourth stroke the air is compressed and, by partially opening an exhaust valve, is discharged against a butterfly valve-type damper that is disposed in an exhaust pipe or manifold, the improvement comprising the step of: briefly opening said exhaust valve at both the beginning and the end of the compression stroke.