Patent ID: 6056162
Filing Date: 2000-05-02
Classification: F16N,G01M

Abstract:
A dispensing device for introducing a fluorescent leak detection dye into an operating system containing a pressurized fluid, the device comprising:a. a hollow capsule for containing dye having an interior wall and a first and a second end, the first end adapted to engage the operating system;b. a plunger having a geometry corresponding to the interior wall of the capsule, forming a seal against the interior wall;c. a rod rotatably and axially moveable within the capsule;d. the rod having threads of a pre-selected pitch and at least one channel running longitudinally on the rod;e. a knob attached to the rod;f. an end cap adapted to receive the second end of the capsule, wherein the rod is positioned through the end cap;g. means to provide controlled engagement of the rod located in the end cap and interposed with the threads of the rod;h. an indicator located in the end cap adapted to engage the channel of the rod;i. wherein rotation of the knob directs the movement of the rod through the capsule, such that an audible and tactile response is generated as the indicator engages the channel.