US3645650A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic transmission
Assignee: Individual
•
Filing: 1970-02-09
•
Granted: 1972-02-29
•
Expires: 1990-02-09
Abstract
Abstract A magnetic transmission with two pole rings separated by a conductor pole ring comprising a plurality of conductors with the two pole rings being independently arranged for rotation with respect to one another where the two pole rings each have a plurality of pole faces of alternating polarity with one of the pole rings having more pole faces than the other whereby rotation of one of the pole rings with respect to the other pole ring will be at a predetermined ratio.
Inventors
- 👤 Nikolaus Laing
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:05
CPC Classifications
H; H02; H02K; H02K49/00; H02K49/06; F; F04; F04D; F04D13/00; F04D13/02; F04D13/021; F04D13/024; F04D13/027; H02K5/00; H02K5/04; H02K5/12; H02K5/128
Claims Analysis
Total Claims: 44
Claim 1
Independent Claim
179 words
A magnetic transmission comprising a first pole ring having at least two magnetic poles of alternating polarity, a second pole ring comprising a plurality of individually separate soft magnetic conductors of high magnetic conductivity, a third pole ring comprising at least twice as many magnetic poles of alternating polarity as said first pole ring, said second pole ring being positioned between said first and said third pole rings and separated therefrom by an airgap, each said conductor of said second pole ring having a salient pole facing one pole of said first pole ring and at least two salient poles facing poles of said third pole ring having the same polarity, two of the three pole rings being mounted for rotation, and one of said first or said third pole rings having magnets whereby when two of the pole rings are rotated relative to the remaining pole ring, a cyclic alternating magnetic flux is created in said conductors having the frequency of at least the frequency of rotation of said first pole ring relative to said third pole ring.
Claim 2
Dependent Claim
179 words
A magnetic transmission comprising a first pole ring having at least two magnetic poles of alternating polarity, a second pole ring comprising a plurality of individually separate soft magnetic conductors of high magnetic conductivity, a third pole ring comprising at least twice as many magnetic poles of alternating polarity as said first pole ring, said second pole ring being positioned between said first and said third pole rings and separated therefrom by an airgap, each said conductor of said second pole ring having a salient pole facing one pole of said first pole ring and at least two salient poles facing poles of said third pole ring having the same polarity, two of the three pole rings being mounted for rotation, and one of said first or said third pole rings having magnets whereby when two of the pole rings are rotated relative to the remaining pole ring, a cyclic alternating magnetic flux is created in said conductors having the frequency of at least the frequency of rotation of said first pole ring relative to said third pole ring.
Claim 3
Dependent Claim
33 words
Magnetic transmission according to claim 1, characterized in that the pole ring (11) with the largest number of poles and the ring containing the conductors (17) are hollow cylinders disposed within each other.
Claim 4
Dependent Claim
49 words
Magnetic transmission according to claim 2, characterized in that the pole ring (14) with the smallest number of poles is surrounded by a cylinder whose axial length coincides approximately with the other pole ring (11) and that it forms an airgap with the ring which contains the conductors (17).
Claim 5
Dependent Claim
73 words
Magnetic transmission according to claim 1, characterized in that the pole rings (11) and (14) are disc-shaped and form a plane airgap with the ring which contains the conductors (17), whereby either the outer pole ring is concave and the pole face of the conductor which faces the pole ring is convex or the inner pole ring is convex and the pole faces of the conductors which face said pole ring are concave.
Claim 6
Dependent Claim
33 words
Magnetic transmission according to claim 1, characterized in that at least one the airgaps between the rings (11 or 14) and the ring containing the conductors (17) is bordered by concentric spherical surfaces.
Claim 7
Dependent Claim
34 words
Magnetic transmission according to claim 1, characterized in that at least one of the airgaps between the rings (11 or 14) and the ring containing the conductors (17) is bordered by concentric conical areas.
Claim 8
Dependent Claim
36 words
Magnetic transmission according to any one of claim 1, characterized in that the number of conductors (17) is twice the number of poles (15, 16) of the pole ring (14) with the smallest number of poles.
Claim 9
Dependent Claim
41 words
Magnetic transmission according to any one of claim 1, characterized in that the number of conductors (17, 17'''' , 17'''''' ) is three times that of the poles (15, 16) of the pole ring (14) with the smallest number of poles.
Claim 10
Dependent Claim
40 words
Magnetic transmission according to claim 7, characterized in that the width of the pole faces (28) of the conductors (17) in the circumferential direction is less than or equal to half of the spacing between poles of the same polarity.
Claim 11
Dependent Claim
62 words
Magnetic transmission according to claim 9, characterized in that the angular distance (24) between the centers of the pole faces of adjacent conductors (17, 17'') is equal to k times the angular distance between poles of the same polarity (12) including the width of the pole faces (28) in the circumferential direction, where k may be either zero or an integral number.
Claim 12
Dependent Claim
76 words
Magnetic transmission according to claim 1, for the transmission ratio 1:(4k+ 1), where k is either zero or a natural number, characterized in that the angular distance (24) between the centers (23, 23'') of the pole faces (21) of adjacent conductors (17, 17'') which face the pole ring (11) with the largest number of poles, equals half the distance (27) between the pole centers (25, 25'') of adjacent poles (12, 13) of the pole ring (11).
Claim 13
Dependent Claim
67 words
Reversible magnetic transmission according to claim 1, having a transmission ratio of 1:(4k- 1), where k is a natural number, characterized in that the angular distance (24) between the centers (23, 23'') of the pole faces (21) of adjacent conductors (17, 17'') facing the pole ring (11) with the larger number of poles corresponds to 1.5 times the angular distance (27) between the centers of adjacent poles.
Claim 14
Dependent Claim
111 words
Magnetic transmission according to claim 1, for the transmission ratio 1:2(k+ 1), where k equals zero or a natural number, characterized in that the centers (23, 23'') of the pole faces (21) of adjacent conductors facing the pole ring (11) with the larger number of poles on the one hand are relatively angularly spaced by an angle (24) corresponding to 2.5 times the angular distance (27) between the centers of poles of the same polarity, and that the angular distance between the centers of adjacent pole faces of different conductors on the remainder of the circumference corresponds to half the angular distance between the centers of adjacent poles of opposite polarity.
Claim 15
Dependent Claim
111 words
Reversible magnetic transmission according to claim 1, for the transmission ratio 1:2(k- 1), where k is a natural number, characterized in that the centers (23, 23'')of the pole faces (21) of adjacent conductors facing the pole ring (11) with the larger number of poles on the one hand are relatively angularly spaced by an angle (24) corresponding to 3.5 times the angular distance (27) between the centers (25, 25'') of poles of the same polarity, and that the angular distance between the centers of adjacent pole faces of different conductors on the remainder of the circumference corresponds to half the angular distance between the centers of adjacent poles of opposite polarity.
Claim 16
Dependent Claim
35 words
Magnetic transmission according to claim 1, characterized in that at least one of the pole rings (11, 14) is separated from the ring containing conductors (17) by a hermetically sealing but magnetically permeable wall (55).
Claim 17
Dependent Claim
71 words
Magnetic transmission according to claim 5, having an airgap disposed on a spherical plane, characterized in that the salient poles of the ring containing conductors (17) and those of the pole ring (14) having the smaller number of poles are disposed on the curved surface of a cone, whose apex passes through the center of the support, whereby the pole ring is being replaced into the rotation position after having Tumbled.
Claim 18
Dependent Claim
21 words
Torque transmission device according to claim 1, characterized in that both pole rings (11, 14) have the same number of poles.
Claim 19
Dependent Claim
28 words
Magnetic transmission according to claim 1, characterized in that one of the pole rings (11 or 14) is constructed like the squirrel cage rotor of an electric motor.
Claim 20
Dependent Claim
30 words
Magnetic transmission according to claim 1, characterized in that one of the pole rings (11 or 14) is made of permanent magnet material whose direction of magnetization is readily reversible.
Claim 21
Dependent Claim
19 words
Magnetic transmission according to claim 1, characterized in that the conductors (17, 17'', etc.) are interconnected by narrow bridges.
Claim 22
Dependent Claim
26 words
Magnetic transmission according to claim 1, characterized in that the conductors (17) are made up of mutually insulated metal laminae laid on top of each other.
Claim 23
Dependent Claim
24 words
Magnetic transmission according to claim 1, characterized in that the ring containing the conductors (17) is built up from a helically wound metal strip.
Claim 24
Dependent Claim
34 words
Magnetic transmission according to claim 1, characterized in that the ring containing the conductors (17) is in the form of a metal strip, wound into a helix of double conical or double spherical configuration.
Claim 25
Dependent Claim
20 words
Magnetic transmission according to claim 1, characterized in that the metal foils (95) follow the curved surface of a cone.
Claim 26
Dependent Claim
23 words
Magnetic transmission according to claim 1, characterized in that the poles (12, 13 or 15, 16) or the conductors (17) lie on helices.
Claim 27
Dependent Claim
95 words
Magnetic transmission according to claim 1, characterized in that the common area of one of the pole rings (11, 14) and the ring made up of conductors (17) is in the form of a hermetically sealing wall and that this wall or the pole ring which rotates opposite this wall or the ring containing conductors have spiral grooves in which a hydrodynamic pressure is built up as a result of the medium disposed between the two elements being dragged along with them, the pressure causing adequate lubrication of the areas which glide past each other.
Claim 28
Dependent Claim
71 words
Magnetic transmission according to claim 1, characterized in that one of the pole rings (11 or 14) consists of an axially magnetized ring magnet (73) into which claw poles (76) extend and in which the rings (75) connecting the claw poles are of soft magnetic material and have a cross section which is adequate for conducting the entire magnetic flux to the claw pole which is operative at any given time.
Claim 29
Dependent Claim
43 words
Magnetic transmission according to claim 1, with a pole ring (11 and/or 14), characterized in that the pole ring consists of a plurality of axially magnetized permanent magnet rings (73''), which enclose soft iron rings (74) with claw poles (76, 77) between them.
Claim 30
Dependent Claim
59 words
Centrifugal pump for liquids or gases, characterized in that a motor (111) drives a pole ring (112) which DRIVES a pole ring (115) in the form of a section of a cone, via a magnetic conductor ring (113) intermediate and spaced from said pole rings by airgaps, spiral channels (116) being provided on the cone facing the adjacent airgap.
Claim 31
Dependent Claim
59 words
Centrifugal pump for liquids or gases, characterized in that a motor (111) drives a pole ring (112) which DRIVES a pole ring (115) in the form of a section of a cone, via a magnetic conductor ring (113) intermediate and spaced from said pole rings by airgaps, spiral channels (116) being provided on the cone facing the adjacent airgap.
Claim 32
Dependent Claim
29 words
Centrifugal pumps according to claim 29, characterized in that the motor (111) and the pole ring (112) are hermetically sealed in a housing (110) by a separating wall (114).
Claim 33
Dependent Claim
27 words
Centrifugal pump according to claim 29, characterized in that a pump runner (117) is connected to the pole ring (115), with its suction side towards the latter.
Claim 34
Dependent Claim
76 words
Centrifugal pump with a magnetic drive according to claim 1, characterized in that the high speed pole ring (54) is of spherical construction and is unitary with the runner (56) and that the centers of the magnet poles of the pole ring (54) and of the conductors (53) lie on the curved surface of a cone (59) and that the runner is axially supported at the center of the sphere in a manner known per se.
Claim 35
Dependent Claim
20 words
Centrifugal pump according to claim 32, characterized in that the conductor ring is made up of a metal foil spiral.
Claim 36
Dependent Claim
36 words
Centrifugal pump with magnetic transmission according to claim 1, characterized in that the low speed poLe ring (120) forms a hollow cylinder and drives the pole ring (122) via conductors (17) assembled from laminar metal discs.
Claim 37
Dependent Claim
17 words
Pump according to claim 34, characterized in that the conductors (130) lie between two concentric spherical shells.
Claim 38
Dependent Claim
37 words
Pump according to claim 34, characterized in that the volume of the magnetic material (120, 121) of the iron pole ring is many times the volume of the magnetic material (122) of the low speed pole ring.
Claim 39
Dependent Claim
24 words
Pump for liquids and gases with magnetic transmission according to claim 1, characterized in that the spherical separator (134) is made of nonmetallic material.
Claim 40
Dependent Claim
26 words
Magnetic transmission according to claim 1, particularly for driving turbine runners, characterized in that magnets with Samarium or Cerium are used as the permanent magnet material.
Claim 41
Dependent Claim
25 words
Magnetic transmission according to claim 38, particularly for driving turbine runners, characterized in that only the high speed pole ring carries Samarium or Cerium magnets.
Claim 42
Dependent Claim
73 words
Magnetic transmission according to claim 1, whereby at least one pole ring consists of one axially magnetized permanent annular magnet and of claw poles connected with the annular magnet by connection rings (75), characterized in that the cross section of the iron of each connection ring has such an area that the total magnetic flux of the annular magnet is transmitted without losses to the poles, which are in correlation with the conductors.
Claim 43
Dependent Claim
56 words
Magnetic transmission according to claim 40, characterized in that the cross sections of the connection rings (75) have the same relation to the mean cross sections of the claws (76, 77) as the largest distance between adjacent pole faces of the conductor to the pole distance of the pole ring having the higher number of poles.
Claim 44
Dependent Claim
46 words
Magnetic transmission according to claim 1, characterized in that the minimum distance of the pole faces on the same side of the same convector is twice as large or larger as the distance of the pole centers of the pole ring facing the above-mentioned pole faces.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-02-28 | 1975-08-30 | 1976-02-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-02-28 | 1979-08-30 | 1980-02-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-02-28 | 1983-08-30 | 1984-02-29 | $7700.00 | Window Closed / Lapsed |