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Method and system for cabin heating

A heating system and cockpit technology, applied in the direction of seat heating/ventilation device, heating/cooling equipment, transportation and packaging, etc., can solve the problems of reducing passenger satisfaction and not being able to provide passengers in the cockpit

Active Publication Date: 2016-04-13
FORD GLOBAL TECH LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, if the vehicle has an extended idle, the desired heat cannot be provided to the cabin occupants for an extended period of time, which will reduce occupant satisfaction

Method used

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  • Method and system for cabin heating
  • Method and system for cabin heating
  • Method and system for cabin heating

Examples

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Embodiment Construction

[0023] Systems and methods related to generating heat while the vehicle is idling are described below. The heat generated can be used as in figure 1 Cabin heating is enabled in the vehicle HVAC system shown in . By engaging one or more clutches (as in figure 2 shown in ), the output shaft of the transmission and / or torque converter is locked to the transmission while keeping the torque converter unlocked. By increasing the output of the engine while locking the transmission, a lot of engine idle heat can be generated. Engine control can be configured to implement for example in image 3 A control routine is executed to lock the transmission output while increasing the engine idle speed by increasing fuel injection and / or intake air flow to selectively increase the amount of idle heat. Excess heat may be transferred to the coolant by circulating the coolant through the engine during stationary operation of the transmission. The heated coolant is then circulated through th...

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Abstract

The present invention relates to methods and systems for cabin heating. The present invention provides a method and system for selectively increasing the waste heat generated by an idling engine. The engine output is increased while the transmission output is locked to generate waste heat for heating the cabin of the stopped vehicle.

Description

technical field [0001] The present description generally relates to methods and systems for rapidly heating a cabin during idling. Background technique [0002] A heating system coupled to the engine utilizes an engine-driven pump to circulate the coolant and transfer engine heat to a heater core for use in heating the passenger compartment of the vehicle. In some vehicles, such as hybrid electric vehicles and diesel engine vehicles, the waste heat generated by the engine is insufficient to quickly heat the vehicle cabin. [0003] One example method of selectively increasing engine heating is described by Tanaka et al. in US Patent 6,695,743. Wherein, engagement of the torque converter lock-up clutch is adjusted based on vehicle speed and thermal demand. Specifically, engagement of the lockup clutch is restricted (or more restricted) when the vehicle is moving and higher heat is required, and unrestricted (or less restricted) when lower heat is required. In this way, engi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H61/14B60N2/56B60H1/02
CPCB60H1/00314B60H1/04
Inventor J·N·阿勒瑞R·D·普斯夫
Owner FORD GLOBAL TECH LLC
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