Title:
BALANCE SCALE FOR TESTING AIR RESISTANCE
Document Type and Number:
WIPO Patent Application WO/2019/210536
Kind Code:
A1
Abstract:
A balance scale for testing air resistance, comprising: 2N dual-hole beam sensors and an upper plate; the 2N dual-hole beam sensors are arranged below the upper plate and are fixedly connected to the upper plate; each dual-hole beam sensor comprises a beam part, an upper hole and a lower hole, the upper hole and the lower hole being longitudinally arranged along the beam part, the upper hole being arranged at an upper part of the beam part, and the lower hole being arranged at a lower part of the beam part. Further disclosed is a method for measuring the friction of an upper surface of the upper plate by using the balance scale for testing air resistance.
Inventors:
LI XIAODONG (CN)
LIU YIN (CN)
ZHENG MINGYANG (CN)
CHEN CHAO (CN)
GAO JUNHUI (CN)
LIU YIN (CN)
ZHENG MINGYANG (CN)
CHEN CHAO (CN)
GAO JUNHUI (CN)
Application Number:
PCT/CN2018/087701
Publication Date:
November 07, 2019
Filing Date:
May 21, 2018
Export Citation:
Assignee:
UNIV BEIHANG (CN)
International Classes:
G01G3/12
Foreign References:
| CN108593058A | 2018-09-28 | |||
| CN107144330A | 2017-09-08 | |||
| CN2247331Y | 1997-02-12 | |||
| CN1277352A | 2000-12-20 | |||
| CN105783760A | 2016-07-20 | |||
| CN205909910U | 2017-01-25 | |||
| JPS60213835A | 1985-10-26 | |||
| JPS61139728A | 1986-06-27 |
Other References:
See also references of EP 3671140A4
Attorney, Agent or Firm:
BEIJING UNIPAT INTELLECTUAL PROPERTY LAW FIRM (CN)
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