US3832608A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electromagnetic motors and process of their operation
Assignee: Individual
•
Filing: 1973-09-18
•
Granted: 1974-08-27
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Expires: 1993-09-18
Abstract
Abstract Electromagnetic reciprocating piston motors operate at wide speed range without changing direction of magnetic flux through the pistons and while positively maintaining the direction of flux in the pistons and while commutating triggering current to selected solenoid coils at low voltage.
Inventors
- 👤 M Mills
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:06
CPC Classifications
H; H02; H02K; H02K33/00; H02K33/12; H02K33/14
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
244 words
Electromagnetic motor comprising, in operative combination, a rigid frame on which is supported a coil form and piston assembly, a crank wheel and timer assembly, and an electrical circuit assembly, said frame having located thereon a coil form and piston assembly, journals, crank and timer shaft and an electrical circuit assembly, the journals rotatably supporting the crank and timer shaft, said shaft comprising a rigid cylindrical rod that supports an electrical commutator input and electrically conductive output means, said coil form and piston assembly comprises an aRray of a plurality of distinct longitudinally and radially extending solenoid coils, one inner end and one outer end solenoid coil at one end of the coil form, another inner end and one outer end solenoid coil at the other end of the coil form, another inner and one outer intermediate coil between said inner end coils, said one and another end coils being of the same length, and a central longitudinally elongated movable magnetizable piston within the coil form of total length equal to sum of length of said intermediate and one end coil, said crank and timer assembly comprises a crank attached to the piston of the coil form and piston assembly, said timer shaft operatively connected to the crank and turned thereby, and a transistorized electrical circuit comprising a battery connected alternately through the commutator elements on the timer shaft to different end coils in the coil form while continuously connected to said intermediate coil.
Claim 2
Dependent Claim
244 words
Electromagnetic motor comprising, in operative combination, a rigid frame on which is supported a coil form and piston assembly, a crank wheel and timer assembly, and an electrical circuit assembly, said frame having located thereon a coil form and piston assembly, journals, crank and timer shaft and an electrical circuit assembly, the journals rotatably supporting the crank and timer shaft, said shaft comprising a rigid cylindrical rod that supports an electrical commutator input and electrically conductive output means, said coil form and piston assembly comprises an aRray of a plurality of distinct longitudinally and radially extending solenoid coils, one inner end and one outer end solenoid coil at one end of the coil form, another inner end and one outer end solenoid coil at the other end of the coil form, another inner and one outer intermediate coil between said inner end coils, said one and another end coils being of the same length, and a central longitudinally elongated movable magnetizable piston within the coil form of total length equal to sum of length of said intermediate and one end coil, said crank and timer assembly comprises a crank attached to the piston of the coil form and piston assembly, said timer shaft operatively connected to the crank and turned thereby, and a transistorized electrical circuit comprising a battery connected alternately through the commutator elements on the timer shaft to different end coils in the coil form while continuously connected to said intermediate coil.
Claim 3
Dependent Claim
46 words
Apparatus as in claim 1 wherein said frame supports a plurality of like coil form and piston assemblies and said electrical circuit is operatively connected to said timer assembly and said timer assembly is operatively connected to each of said like coil form and piston assemblies.
Claim 4
Dependent Claim
73 words
Apparatus as in claim 2 wherein for each of said coil forms, a ring of separate magnetizable rods of like size and shape and of the same length as the peripheral coils at said one end and at said other end are located peripherally adjacent thereto and a ring of like size and shape separate magnetizable rods of the same length as the intermediate coils are located peripherally adjacent to said intermediate coils.
Claim 5
Dependent Claim
238 words
Process of driving a reciprocating piston comprising steps of energizing a first solenoid coil and creating a magnetic field coaxial with a movable magnetically susceptible piston distant from said first coil in a first direction, and moving said piston in said first direction responsive to said magnetic field of said first solenoid coil for a predetermined distance then discontinuing the energizing of said first solenoid coil, thereafter after a period of time, energizing a second solenoid coil co-axial with the said first solenoid coil and distant therefrom in a second direction directly opposite to said first direction and creating a magnetic field coaxial with said second coil and moving said piston in said second direction responsive to said magnetic field of said second solenoid coil for a predetermined distance, then discontinuing the energizing of said second solenoid coil, and wherein a third solenoid coil is energized and creates a magnetic field coaxial therewith and with said first and second solenoid coil and said electromagnetic field of said third coil is applied to said piston during the period wherein said first and second coils are not energized and the energizing of said third solenoid magnetizes said piston, and the direction of magnetization of said piston during the energization of said first solenoid and during the period of time of energization of said second solenoid and during the period of time of energization of said third solenoid is the same.
Claim 6
Dependent Claim
238 words
Process of driving a reciprocating piston comprising steps of energizing a first solenoid coil and creating a magnetic field coaxial with a movable magnetically susceptible piston distant from said first coil in a first direction, and moving said piston in said first direction responsive to said magnetic field of said first solenoid coil for a predetermined distance then discontinuing the energizing of said first solenoid coil, thereafter after a period of time, energizing a second solenoid coil co-axial with the said first solenoid coil and distant therefrom in a second direction directly opposite to said first direction and creating a magnetic field coaxial with said second coil and moving said piston in said second direction responsive to said magnetic field of said second solenoid coil for a predetermined distance, then discontinuing the energizing of said second solenoid coil, and wherein a third solenoid coil is energized and creates a magnetic field coaxial therewith and with said first and second solenoid coil and said electromagnetic field of said third coil is applied to said piston during the period wherein said first and second coils are not energized and the energizing of said third solenoid magnetizes said piston, and the direction of magnetization of said piston during the energization of said first solenoid and during the period of time of energization of said second solenoid and during the period of time of energization of said third solenoid is the same.
Claim 7
Dependent Claim
66 words
Process as in claim 4 including the step of initiation of energization of a plurality of pairs of said first and second solenoid coils at equally spaced intervals of time and the step of the said reciprocating pistons automatically moving elements of switches in low amperage trigger circuits whereby circuits are closed through said switches and operatively connect high amperage electric currents to said solenoid coils.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-08-26 | 1978-02-25 | 1978-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-08-26 | 1982-02-25 | 1982-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-08-26 | 1986-02-25 | 1986-08-27 | $7700.00 | Window Closed / Lapsed |