Engine brake control apparatus and method

Patent · Tue Jun 16 04:00:00 EDT 1992

OSTI ID:7166231

Stepper, M R; White, G R; Seger, J P; Van Klompenburg, D; Green, J H; Ling, R

This patent describes a compression brake controller for use with a vehicle having an engine, a clutch, a transmission, a compression brake apparatus having a brake input and activated in response to signals supplied to the brake input, and a throttle control device. It comprises fuel metering means for controlling fuel delivery to the engine; throttle position sensor means for sensing the position of the throttle control device; pressure sensor means in fluid communication with the intake manifold of the engine; control circuit means for supplying a fueling signal to the fuel signal input in accordance with the throttle signal; RPM sensor means for producing an RPM signal corresponding to engine RPM; and brake circuit means for supplying a braking signal to the brake input of the compression brake apparatus in accordance with concurrence of the following conditions. This patent also describes a method for activating and deactivating a compression brake in an internal combustion having a throttle control. It comprises detecting a throttle control position below a predetermined throttle limit; detecting an intake manifold pressure below a predetermined pressure limit; detecting an engine speed above a predetermined RPM limit; detecting a fuel metering signal corresponding to a fueling rate below a predetermined fueling limit.

• Assignee: Cummins Electronics Co., Inc., Columbus, IN (United States)
• Patent Number(s): A; US 5121723
• Application Number: PPN: US 7-677651
• OSTI ID: 7166231
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
330100* -- Internal Combustion Engines
330603 -- Vehicle Design Factors-- Engine System
BRAKES
CONTROL EQUIPMENT
CONTROL SYSTEMS
ENGINES
EQUIPMENT
FLOW REGULATORS
FUEL SYSTEMS
HEAT ENGINES
INTERNAL COMBUSTION ENGINES
MACHINE PARTS