Pneumatic tire leak detector and method

Details Pneumatic tire leak detector and method Pneumatic tire leak detector and method

1985-07-01

1986-09-23

Marcus, Stephen

Measuring and testing

With fluid pressure

Leakage

138 97, 141 4, G01M 320

Patent

active

046127984

ABSTRACT:
A method for detecting the location of a leak in a pneumatic tire. A leaking tire is filled with a suspension which is capable of flowing through a leak of the tire and staining the perimeter of the leak at the outside surface of the tire. The suspension is a powdered fluorescent pigment of small particle size suspended in a propellant and the air inside of the tire. A portable container is provided for storing the powdered pigment and propellant. The container has an outlet valve for controlling the release of the pigment and propellant from the container. One end of a flexible tube is connected to the outlet valve of the container and a fitting at the other end of the tube is connected to an inlet valve of the tire. The fitting has a means for sealing the attachment of the tube to the tire inlet valve and a means for opening the tire inlet valve. When the outlet valve of the container is opened, the pigment and propellant flow into the tire and combine with the air in the tire to form the suspension. The escape of the suspension through the leak deposits some of the powdered pigment on the perimeter of the leak which is easily seen for detecting the location of the leak.

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patent: 3830094 (1974-08-01), Leger
patent: 3843586 (1974-10-01), Wolf

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