Electricity: measuring and testing – Electrical speed measuring – Including speed-related frequency generator
Patent
1984-08-22
1985-12-24
Strecker, Gerard R.
Electricity: measuring and testing
Electrical speed measuring
Including speed-related frequency generator
324171, 324207, 340670, G01P 350, G01B 714
Patent
active
045609284
ABSTRACT:
A non-contact system suitable for measuring velocity/distance of an object travelling inside a ferromagnetic pipeline utilizes magnetic dipoles written into the pipe surface by a transmission coil. These dipoles can be detected by a magnetic detector situated a fixed distance from the transmission point. If the time taken for a dipole to travel from the transmitter to the detector is recorded then this time will be proportional to the velocity of the system. The system functions both as a velocity measurement device and as a distance marker.
Once the system detects a dipole it requests a further imprint, hence, a constant spacing is maintained between dipoles equal to the spacing between transmitter and detector.
REFERENCES:
patent: 2576424 (1951-11-01), Sunstein
patent: 3066253 (1962-11-01), Bowers
patent: 3215932 (1965-11-01), Sims et al.
patent: 3786684 (1974-01-01), Wiers et al.
patent: 3862497 (1975-01-01), Vernooy
patent: 3873912 (1975-03-01), Mori et al.
patent: 3899734 (1975-08-01), Beaver et al.
patent: 4093917 (1978-06-01), Haeussermann
patent: 4135155 (1979-01-01), Kehl et al.
British Gas Corporation
Strecker Gerard R.
LandOfFree
Velocity or distance measuring apparatus using magnetic dipoles does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Velocity or distance measuring apparatus using magnetic dipoles, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Velocity or distance measuring apparatus using magnetic dipoles will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1481922