エンジンの流体加熱装置

Title:

エンジンの流体加熱装置

Document Type and Number:

Japanese Patent JP6718407

Kind Code:

B2

Abstract:

Provided is a fluid heating apparatus for an engine which prevents failure in heating of a fluid. A control device 8 opens a sub switch 7 during an initial opening period P1 immediately after closing a main switch 6, and the control device 8 closes the sub switch 7 during an initial closing period P2 immediately after the initial opening period P1. Circuit normality is displayed by turning on an indicator lamp 10 at circuit normality time when a heater feeding circuit is electrically conducted via a bypass electric circuit 9 during the initial opening period P1, and heater feeding is displayed by turning off the indicator lamp 10 at power feeding normality time when power is supplied to the electric heater via a trunk electric circuit during the initial closing period P2. Circuit abnormality is displayed by turning off the indicator lamp 10 at circuit abnormality time when the heater feeding circuit is not electrically conducted via the bypass electric circuit during the initial opening period P1, and the circuit abnormality display is held by keeping the indicator lamp 10 off during the initial closing period P2 immediately after the initial opening period P1.

Inventors:

Nakakita Koji

Application Number:

JP2017076143A

Publication Date:

July 08, 2020

Filing Date:

April 06, 2017

Export Citation:

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