# US 2013/0158843 A1 · Idle stop control device, vehicle, idle stop control method, and program

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- Number: US 2013/0158843 A1
- Document ID: US20130158843A1
- Status: Published application
- Kind: A1
- Application number: 13/819,089
- Filed: 2011-10-20
- Published: 2013-06-20
- Earliest claimed: 2010-10-21
- Assignees: Hino Motors, Ltd.
- Inventors: Junya Kokon
- Web page: https://patentgrep.com/patent/US20130158843A1

## CPC

- F02D 45/00: Electrical control not provided for in groups F02D41/00 - F02D43/00
- B60K 6/48: Parallel type
- B60W 10/06: including control of combustion engines
- B60W 30/18018: {Start-stop drive, e.g. in a traffic jam}
- F02D 29/02: peculiar to engines driving vehicles; peculiar to engines driving variable pitch propellers
- B60W 2510/101: Transmission neutral state
- B60W 2520/04: Vehicle stop
- B60W 2540/06: Ignition switch
- B60W 2540/12: Brake pedal position
- B60W 2540/16: Ratio selector position
- B60W 2710/065: Idle condition
- Y02T 10/40: Engine management systems
- Y02T 10/62: Hybrid vehicles
- Y10S 903/902: Prime movers comprising electrical and internal combustion motors
- F02D: CONTROLLING COMBUSTION ENGINES (vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed B60K31/00; conjoint control of vehicle sub-units of different type or different function, road vehicle drive control systems for purposes other than the control of a single sub-unit B60W)
- B60K: ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60W: CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- Y02T: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y10S: TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS

## Abstract

A vehicle can reverse immediately after setting a no idling state in accordance with a simple operational procedure. An idle reduction control unit set the engine into a no idling state if the key switch is on, the brake is operated, the vehicle speed is zero, and the shift position is in the drive range; and restarts the engine if the braking operation is released and the shift position is in the drive range when the engine is in the no idling state. The idle reduction control unit also restarts the engine if the shift position is shifted from the drive range to the neutral range while the brake is still being operated when the engine is in the no idling state.

## Claims

### Claim 1

An idle reduction control device in which an engine is set to a no idling state when a key switch is in an ON state, a brake is operated, thus a vehicle speed is zero and a shift position is in a drive range, and the engine is restarted when an operation of the brake is released while the engine is in the no idling state and the shift position is in the drive range,
wherein the engine is restarted when the shift position is transferred from the drive range to a neutral range while the brake is still being operated when the engine is in the no idling state.

### Claim 2 (depends on 1)

The idle reduction control device according to claim 1, wherein prior to executing idle reduction in a vehicle having a hill start assisting device holding braking force even though a driver releases the operation of the brake when stopping on an ascending slope, when the hill start assisting device is in an off state, the hill start assisting device is forcibly turned on.

### Claim 3 (depends on 1)

A vehicle having an idle reduction control device according to claim 1, wherein
the idle reduction control device is started with the start of the vehicle, and
the vehicle has a switch that alternately repeats pause and restart of the idle reduction control device whenever the switch is operated.

### Claim 4 (depends on 3)

The vehicle according to claim 3, wherein, when the brake is operated at a strength of a predetermined value or more, a gear position is set to a neutral stage and provided in the idle reduction and when the brake is operated at a strength less than a predetermined value, the gear position is set to a start stage.

### Claim 5 (depends on 3)

The vehicle of claim 3, wherein, when an engine is set to the idle reduction, a rotational shaft of the engine is connected to a rotational shaft of an electric motor controlled to hold zero rotation.

### Claim 6 (depends on 3)

The vehicle according to claim 3, further comprising an engine and an electric motor,
wherein a hybrid vehicle is driven by an engine or an electric motor, or cooperation of the engine and the electric motor.

### Claim 7

An idle reduction control method for an idle reduction control device in which an engine is set to a no idling state when a key switch is in an ON state, a brake is operated, thus a vehicle speed is zero and a shift position is in a drive range, and the engine is restarted when an operation of the brake is released while the engine is in the no idling state and the shift position is in the drive range, wherein the engine is restarted when the shift position is transferred from the drive range to a neutral range while the brake is still being operated when the engine is in the no idling state.

### Claim 8 (depends on 1)

A computer program for causing an information processing device to execute a function of an idle reduction control device according to claim 1.
