POWER TRANSMISSION DEVICE AND EXPANSION VALVE

Title:

POWER TRANSMISSION DEVICE AND EXPANSION VALVE

Document Type and Number:

WIPO Patent Application WO/2024/004629

Kind Code:

A1

Abstract:

This power transmission device comprises: a magnetic gear (60b) having an input axis magnet (20) to which rotational driving force is input, a magnetic modulation unit (25) for modulating magnetic fluxes, a multi-pole magnet (40) having a larger number of poles than that of the input axis magnet, and an output axis (41) that rotates integrally with the magnetic modulation unit or the multi-pole magnet; and a magnetic circuit (MC) in which the magnetic fluxes from the input axis magnet flow in parallel. The magnetic circuit forms: a torque generation path (φ1) in which the magnetic fluxes flow from the N-pole (20n) of the input axis magnet to the S-pole (20s) of the input axis magnet via the magnetic modulation unit and the multi-pole magnet, thereby generating torque; and a short-circuit magnetic flux path (φ2) in which the magnetic fluxes flow from the N-pole of the input axis magnet to the S-pole of the input axis magnet in a short-circuit manner without via the magnetic modulation unit.

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Inventors:

MATSUMOTO TAKAFUMI (JP)
INOUE HIROTO (JP)
SAHARA TAKURO (JP)
HASHIMOTO SHINJI (JP)
MIYANO SATOSHI (JP)
OUCHI RIKU (JP)
OISHI SHIGEJI (JP)
KAWASHIMA HIROYUKI (JP)
TAKEUCHI TOKUHISA (JP)

Application Number:

PCT/JP2023/021886

Publication Date:

January 04, 2024

Filing Date:

June 13, 2023

Export Citation:

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Assignee:

DENSO CORP (JP)

International Classes:

H02K7/10; F16H49/00; F16K31/02; F25B41/35

Domestic Patent References:

WO2022130882A1

2022-06-23

Foreign References:

JP5958466B2	2016-08-02
JP2020133790A	2020-08-31

Attorney, Agent or Firm:

KAI-SEI PATENT FIRM (JP)

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