Cooling fan device

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11833883
SERIAL NO

18337431

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A cooling fan device includes an electronic control unit that controls an engagement rate of a fan clutch. The electronic control unit executes a first calculation process that calculates an air conditioner requested engagement rate, a second calculation process that calculates, as a first guard value, a value of an engagement rate at which a fan rotation speed increases at a specified speed and an upper limit guarding process that sets a value of the air conditioner requested engagement rate to the first guard value when a calculated value of the air conditioner requested engagement rate in the first calculation process exceeds the first guard value. The electronic control unit further controls the engagement rate of the fan clutch based on a value of the air conditioner requested engagement rate after execution of the upper limit guarding process.

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Patent Owner(s)

  • 501 TOYOTA JIDOSHA KABUSHIKI KAISHA

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Akiyama, Shoichi Toyota, JP 12 78
Fukuda, Atsushi Nisshin, JP 65 589
Okumura, Dai Seto, JP 2 0
Sakamoto, Daisuke Miyoshi, JP 37 187
Watanabe, Hiromu Toyoake, JP 41 372

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