IDLE ENGINE OPERATION BASED ON VEHICLE CABIN TEMPERATURE
First Claim
Patent Images
1. A method, comprising:
- determining a quantity of fuel in a fuel tank;
determining a minimum amount of fuel to remain in the fuel tank;
receiving a target cabin temperature value;
calculating an engine idle time available in response to the minimum amount of fuel; and
controlling engine starting and stopping in response to the engine idle time available and the cabin temperature value.
1 Assignment
0 Petitions
Accused Products
Abstract
A method for operating an engine based on cabin temperature includes determining a quantity of fuel in a fuel tank, determining a minimum amount of fuel to remain in the fuel tank, receiving a predetermined cabin temperature value, calculating an engine idle time in response to the minimum amount of fuel and the predetermined cabin temperature value, and controlling engine starting and stopping in response to the engine idle time and the predetermined cabin temperature value.
24 Citations
23 Claims
-
1. A method, comprising:
-
determining a quantity of fuel in a fuel tank; determining a minimum amount of fuel to remain in the fuel tank; receiving a target cabin temperature value; calculating an engine idle time available in response to the minimum amount of fuel; and controlling engine starting and stopping in response to the engine idle time available and the cabin temperature value. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
-
-
14. A method, comprising:
-
determining a quantity of fuel in a fuel tank; determining a minimum amount of fuel to remain in the fuel tank; determining a quantity of reductant on a vehicle; receiving a predetermined cabin temperature value; calculating an engine idle time in response to at least one of the minimum amount of fuel, the quantity of reductant, and the predetermined cabin temperature value; and controlling engine starting and stopping in response to the engine idle time and the predetermined cabin temperature value. - View Dependent Claims (15, 16, 17, 18, 19, 20)
-
-
21. An engine control assembly, comprising:
-
a fuel sensor configured to determine a fuel level; a fluid sensor configured to determine a quantity of reductant on a vehicle; a temperature sensor configured to determine a temperature in a cabin of a vehicle; and a controller operably coupled to the fuel sensor, fluid sensor, and temperature sensor, the controller being configured to operate an engine in response to the fuel level and the quantity of reductant to maintain the temperature in the cabin. - View Dependent Claims (22, 23)
-
Specification