Engine compression braking system for an internal combustion engine

Patent · Tue Mar 10 04:00:00 EST 1987

OSTI ID:6672597

Bostelman, M A

A braking system is described for an internal combustion engine having a gas compressing power piston reciprocally mounted in an engine cylinder having an exhaust valve in communication therewith, comprising: (a) power mode operating means for cyclically opening the exhaust valve in a first predetermined timed relation with a power stroke of the power piston when the engine is operating in a power mode. The operating means has a valve opening surface displaceable upon the application of a predetermined force to open the exhaust valve; and (b) a braking mode operating means for cyclically opening the exhaust valve in a second predetermined timed relation with the movement of the power piston to effect operation of the engine in a braking mode. This mode cyclically displaces the valve opening surface to release compressed gas pressure from within the engine cylinder in a selected time sequence with the power stroke of the power piston.

• Assignee: Cummins Engine Co., Inc., Columbus, IN
• Patent Number(s): US 4648365
• OSTI ID: 6672597
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
330100* -- Internal Combustion Engines
BRAKES
COMPRESSORS
CONTROL
CONTROL EQUIPMENT
CYLINDERS
DISTANCE
ENGINES
EQUIPMENT
EXHAUST SYSTEMS
FLOW REGULATORS
FLUIDS
GAS COMPRESSORS
HEAT ENGINES
HYDRAULIC CONTROL DEVICES
HYDRAULIC FLUIDS
INTERNAL COMBUSTION ENGINES
MACHINE PARTS
OPERATION
PISTONS
POSITIONING
PRESSURE CONTROL
PRESSURIZING
TIMING PROPERTIES
VALVES
WORKING FLUIDS