Patent ID: 6137401
Filing Date: 2000-10-24
Classification: B60Q,Y10T

Abstract:
An engine brake indicator system comprising, in combination:a vehicular accessory power source;a pair of brake lights mounted on a rear of a vehicle and connected to ground for illuminating upon the actuation thereof;a brake light switch connected to the power source and the brake lights for actuating the same upon the receipt of power, the brake light switch further connected to a brake pedal for being supplied with power upon the depression thereof;an engine brake including a plurality of engine brake coils connected to ground, a stage switch having a first node connected to the engine brake coils and a second node, and an engine brake master switch having an open orientation upon the engine brake being unemployed and a closed orientation upon the engine brake being employed, wherein the engine brake master switch has a first node connected to the power source and a second node;a diode being connected between the second node and the brake light switch for preventing feedback from the brake light switch from adversely affecting the stage switch;a circuit breaker being connected between the diode and the second node to prevent the brake light switch from being damaged by a spike in current between the second node and brake light switch;a normally closed clutch switch having an open orientation only upon the depression of a clutch of the vehicle, the clutch switch including a first node connected to the second node of the engine brake master switch and a second node; anda normally closed throttle switch having an open orientation only upon the depression of a throttle of the vehicle, the throttle switch including a first node connected to the second node of the clutch switch and a second node connected to the second node of the stage switch of the engine brake and further the brake light switch;wherein the brake light switch is supplied with power and the brake lights actuated upon the lack of the depression of the clutch switch and the throttle switch in combination with the closing of the engine brake master switch.