Automatic self-cleaning ferromagnetic metal detector

Details Automatic self-cleaning ferromagnetic metal detector Automatic self-cleaning ferromagnetic metal detector

1977-02-28

1978-07-11

Corcoran, Robert J.

Electricity: measuring and testing

Magnetic

Fluid material examination

200 6109, 324235, 335305, 340606, 340631, G01R 3312

Patent

active

041004914

ABSTRACT:
A ferrous metal detecting apparatus is disclosed for detecting metal particles in a flowing fluid, such as engine oil. The detecting apparatus has soft-iron pole pieces with a bridging gap therebetween. The soft-iron pole pieces are electrically insulated from each other and magnetized by direct current through an electromagnetic coil. After a sufficient amount of ferrous metal has accumulated on the bridging gap, a level detector will give a warning signal and cause the electromagnetic coil to degauss the soft-iron pole pieces by applying an alternating current to the electromagnetic coil. After the flowing fluid has washed away the ferrous metal, the direct current will remagnetize the soft-iron pole pieces. If repeated warning signals are within predetermined time intervals, an indication of the amount of ferrous metal contained in the fluid can be interpolated. The recycling for repeated warning signals may be automatically provided through a timing circuit and control logic.

REFERENCES:
patent: 3373352 (1968-03-01), Huigens
patent: 3676773 (1972-07-01), Eckhardt

Affiliated with

Also associated with

Rating

Automatic self-cleaning ferromagnetic metal detector does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Automatic self-cleaning ferromagnetic metal detector, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Automatic self-cleaning ferromagnetic metal detector will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-264775