APPARATUS FOR DETERMINING OIL LEAKAGE AND ROBOT USING THE APPARATUS

WIPO Patent Application WO/2022/056824

A1

An apparatus for determining oil leakage of a gearbox (201) and an associated robot, the apparatus comprises a base (101) arranged between the gearbox (201) and a motor (202) coupled to the gearbox (201), the base (101) made of a functional oil-absorbing material such that a volume of the base (101) changes when the base (101) contacts oil; a signal generator (102) coupled to the base (101) and configured to cause an electrical signal or a change in a physical property of the signal generator (102) in response to a change in the volume of the base (101); and a controller (103) coupled to the signal generator (102) and configured to detect the electrical signal or the change in the physical property and to determine the oil leakage in response to a detection of the electrical signal or the change in the physical property. With the apparatus, before oil leaks into the motor (202), the user already knows or the motor (202) has already been stopped. The robot using the apparatus can be operated more safely.

JP5540132	Two-layer member fluid filtration device
WO/2014/053135	SHIFTING ARRANGEMENT FOR A VARIABLE SPEED TRANSMISSION OF A MOTOR VEHICLE
WO/1986/000677	ROTARY GEAR ELEMENT

CAO XIAODONG (CN)
ZHANG JIAFAN (CN)

PCT/CN2020/116150

March 24, 2022

September 18, 2020

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ABB SCHWEIZ AG (CH)
CAO XIAODONG (CN)
ZHANG JIAFAN (CN)

F16H57/00; G01M3/16; G01N27/00; H02K11/20

CN111262378A	2020-06-09
GB1355176A	1974-06-05
CN103969294A	2014-08-06
CN110231374A	2019-09-13
CN210293575U	2020-04-10
CN211018539U	2020-07-14
JPH09288030A	1997-11-04

KING & WOOD MALLESONS (CN)

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