Title:
AUTOMATIC MEASUREMENT PENDULUM-TYPE OILINESS FRICTION TESTER, AND KIT FOR REMODELING INTO SAID TESTER
Document Type and Number:
WIPO Patent Application WO/2024/053693
Kind Code:
A1
Abstract:
Provided are: an automatic measurement pendulum-type oiliness friction tester that can automatically measure the angular velocity or oscillation angle of a damping vibration in a vertical plane of a pendulum without relying on a visual reading by a person in charge of testing, so as to accurately measure the coefficient of friction of a lubricating oil; and a kit for remodeling an existing pendulum-type oiliness friction tester to automatic measurement from visual measurement. One to three wireless or recording-type and battery-type gyroscopic sensors 20 are attached to approximately the same locations as attachment locations of a total of three weights, i.e., two weights attached to left and right horizontal parts 10L, 10R of an approximately T-shaped pendulum 10, and one weight attached to a vertical part 10U, and the weight of the weights is adjusted such that the total weight of the weights and the gyroscopic sensors at the attachment locations is a prescribed weight. The coefficient of friction of a lubricating oil is calculated from the angular velocity or oscillation angle of a support shaft connected to the pendulum 10 detected by the gyroscopic sensor 20.
Inventors:
IKAI TOORU (JP)
Application Number:
PCT/JP2023/032591
Publication Date:
March 14, 2024
Filing Date:
September 06, 2023
Export Citation:
Assignee:
IKAI TOORU (JP)
International Classes:
G01N19/02; G01N33/30
Foreign References:
| JPS6076253U | 1985-05-28 | |||
| JPS57170050U | 1982-10-26 | |||
| JPS4948379A | 1974-05-10 | |||
| CN101532943A | 2009-09-16 | |||
| US5031443A | 1991-07-16 | |||
| CN105181573A | 2015-12-23 |
Attorney, Agent or Firm:
MINEMATSU Katsuya (JP)
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