Title:
慣性質量要素、慣性質量粘性ダンパー及び制振装置
Document Type and Number:
Japanese Patent JP7175774
Kind Code:
B2
Abstract:
To provide an inertial mass element which enables increase of resistance force and reduction of an axial length.SOLUTION: An inertial mass element includes: a case; a ball screw device; a weight; and a planetary gear mechanism. The ball screw device includes: a nut rotatably attached to the case; and a screw shaft which penetrates through the nut. The weight rotates in conjunction with rotation of the nut. The planetary gear mechanism is provided between the nut and the weight. The planetary gear mechanism includes an inner gear, a sun gear, a planetary gear disposed between the inner gear and the sun gear, and a carrier which is connected to the nut and revolves the planetary gear.SELECTED DRAWING: Figure 2
More Like This:
| JP2023181872 | EARTHQUAKE-RESISTANT WALL |
| JPH03223436 | ALUMINUM ALLOY HIGH DAMPING MATERIAL AND ITS MANUFACTURE |
| JP2000266115 | VIBRATION ISOLATION DEVICE |
Inventors:
Yasushi Miura
Yuri Otsuka
Nakamura Yoshiya
Yasuto Sasaki
Yuri Otsuka
Nakamura Yoshiya
Yasuto Sasaki
Application Number:
JP2019002824A
Publication Date:
November 21, 2022
Filing Date:
January 10, 2019
Export Citation:
Assignee:
Fujita Co., Ltd.
International Classes:
F16F15/02; E04H9/02; F16F7/10; F16H1/28; F16H25/20; F16H25/22
Domestic Patent References:
| JP2018071599A | ||||
| JP2013244841A |
Foreign References:
| KR101799299B1 | ||||
| US20130320791 | ||||
| CN207176484U |
Attorney, Agent or Firm:
Sakai International Patent Office