Patent ID: 7235136

Claim:
A device for reading speed of rotation for a paint sprayer with rotating bowl, rotated by a turbine housed in a body of the sprayer, mounted at an end of a robot arm or on a multi-axis machine, the reading device using a disk situated at a rear of the turbine, and rotating with this turbine, which cooperates with a front end of at least one light guide of the optical fiber passing through the body of the sprayer, wherein said light guide is interrupted at a rear of the body of the sprayer, and wherein there are provided on a mounting plane are an optoelectronic emitter and receiver means, the mounting plane—being defined by the end of the robot or multi-axis machine arm and against which the sprayer is dismountably fixed, the optoelectronic emitter and receiver means situated facing a rear end of said light guide and including means for converting a reflected optical signal conveyed by the light guide of the sprayer into an electrical signal, while at least one electric cable provided for conveying the electrical signal resulting from said conversion is placed in the robot or similar multi-axis machine arm.