Inductor devices – With deformable or distortable coil and/or core
Patent
1987-07-06
1989-04-25
Kozma, Thomas J.
Inductor devices
With deformable or distortable coil and/or core
336 30, 337140, H01F 2104
Patent
active
048251844
ABSTRACT:
A current controlled inductor (1) having an inductor coil (4) in one state of alteration attached at one end to a displacing coil (6) in an opposite state of alteration to that of the inductor coil (4). Both coils are formed of a shape memory alloy that when heated to a predetermined temperature will return to an original configuration from an altered configuration. An electric current from a DC source (11) passing through the displacing coil (6), heats the displacing coil (6), causing the coil to contract to an original length and simultaneously pull the inductor coil (4) from its original length thereby changing the inductance effect of the inductor coil (4) on the signal source (12).
REFERENCES:
patent: 1961783 (1934-06-01), Roder
patent: 2563413 (1951-08-01), Ostrow
patent: 2954538 (1960-09-01), Horgan
patent: 3152312 (1964-10-01), Johnson
patent: 3239783 (1966-03-01), Yetter
patent: 3634803 (1972-01-01), Willson et al.
patent: 3648205 (1972-03-01), Bunch et al.
patent: 3652969 (1972-03-01), Willson et al.
patent: 3731247 (1973-05-01), Leuinn
patent: 4281513 (1981-08-01), Johnson et al.
patent: 4325040 (1982-04-01), Whitley
patent: 4490975 (1985-01-01), Yaeger et al.
patent: 4517543 (1985-05-01), Brubaker
patent: 4524343 (1985-06-01), Morgan
"Control Design with Vease Via Electrically Actuated Shape-Memory Effect," Raychem Corp.
Stoddard, Walter D. et al., "Robotic Applications for Shape Memory Alloy."
Bloch Joseph T.
Johnstone Todd N.
Kozma Thomas J.
The Boeing Company
LandOfFree
Current controlled inductor does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Current controlled inductor, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Current controlled inductor will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1198429