US2761984A - Core and shell for electromotors - Google Patents
Core and shell for electromotors Download PDFInfo
- Publication number
- US2761984A US2761984A US331962A US33196253A US2761984A US 2761984 A US2761984 A US 2761984A US 331962 A US331962 A US 331962A US 33196253 A US33196253 A US 33196253A US 2761984 A US2761984 A US 2761984A
- Authority
- US
- United States
- Prior art keywords
- shell
- core
- sheet metal
- electromotors
- grooves
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000002184 metal Substances 0.000 description 19
- 241000136406 Comones Species 0.000 description 1
- 241000689227 Cora <basidiomycete fungus> Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 101150047356 dec-1 gene Proteins 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/18—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
- H02K1/185—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures to outer stators
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/18—Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
Definitions
- a similar heat-abducting system is (CURE AND SHELL FOR ELECTRQMOTQRS formed by a number of separate corrugated strips ll, 12, Ludwig Adam and Rudolf Haecltel, Ho n S 5 H 4 wry, and August g m p 7 insernoodrment 0:. mg. 3 shows an outer sleeve formed assignors to Kleiusehanzlin-Pumpen Alrtrengesellsehalt, Wlih T1108 Homhurg, Saar Territory in all cases the sheet metal pack forming the body of Application January 1953, Semi: N0. 331,962 the stator is placed on a mandrel (not shown) and sub- Claims priority, application Germany Eanuary 21, 952
- Core and shell for electrornotors comprising in comon th fre e d of the plate pack bination, an axially grooved laminated sheet metal core
- a cylindrical sheet metal shell additional corrugated sheet metal sleeve which is held in 6108613 surrounding said core, parts of said shell swaged close heat-conductive contact with the shell and prointo the gro ves f said core to secure tightly said shell vides a large surface for the heat flow.
- Said 1 is the stator proper consisting of superposed sheet metal gTOOVeS, Said Sheet Infital Strips being cofrugatfid to rm laminae.
- 2 is one of a pair of longitudinal grooves doublfi-Walled ribsformed in the free faces of the laminae.
- 3 is the cylindrical steel shell surrounding the pack of laminae, which References Clted m the file of thls Pater!t by pressure has been forced into these grooves as shown UNITED STATES PATENTS at 20.
- the sheet metal shell 3 before being placed around gfi ggi a1 5 the pack 1, has an inner diameter slightly larger than 1693839 Faudi 1978 the outer diameter of the pack and can easily be placed 1775055 Tarbox Sept 5 around the pack, to be then forced by circumferential 1 5 Lanz I: Dec 1 1935 pressure into close contact with thapack and held in 2,096,297 Goldner at a].
- Oct 19 1937 place on the pack by the part protruding into the groove 2,151,561 Merrill Mar 21 1939 2- The shell thus secures the laminae against distortion. 2,205,138 Gould Jan 1940 In the embodiment Shown in e 1 two Corrugated 2,215,991 Anderson et al. 1.11:: Sept.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Manufacture Of Motors, Generators (AREA)
Description
Sept. 4, 1956 M T 2,761,984
CORE AND SHELL FOR ELECTROMOTORS Filed Jan. 19, 1953 FIG. I
W W MM grooves provided in the circumferential surface of the According to Fig. 2 a similar heat-abducting system is (CURE AND SHELL FOR ELECTRQMOTQRS formed by a number of separate corrugated strips ll, 12, Ludwig Adam and Rudolf Haecltel, Ho n S 5 H 4 wry, and August g m p 7 insernoodrment 0:. mg. 3 shows an outer sleeve formed assignors to Kleiusehanzlin-Pumpen Alrtrengesellsehalt, Wlih T1108 Homhurg, Saar Territory in all cases the sheet metal pack forming the body of Application January 1953, Semi: N0. 331,962 the stator is placed on a mandrel (not shown) and sub- Claims priority, application Germany Eanuary 21, 952
3 Claims. (Cl. 310-64) react two diametrically opposite longitudinal grooves 2;. have been formed, a seamless or end-welded sheet metal cylinder 3 is placed, the circumferential pressure acting on the outer surface of the cylinder forces it into close This invention relates to electromotors and more es- Contact With the P Of laminae and also lellgi pecially to the stator shells which surround the laniiinated tudinal grooves formed in them.
cores or metal plate packs of certain electromotors. We wish it to be understood that we do not desire to it is an object of this invention to provide sheet metal imi to the details disclosed in the foregoing shells held in place on the metal plate paclts by mere l'ric- Specification and illustrated in the drawings for obvious tion, created when pressing these shells around the plates 20 modifications will occur to a person skilled in the art.
and into longitudinal grooves provided in the circumfer- We claim:
ential surface of the packs and into grooved cellars seated 1. Core and shell for electrornotors comprising in comon th fre e d of the plate pack bination, an axially grooved laminated sheet metal core In order to provide for an ff i t h at flew i presenting a cylindrical outer surface, We axially extendhigh-duty ele tromotor we fi o th hell proper ing grooves in said surface, a cylindrical sheet metal shell additional corrugated sheet metal sleeve which is held in 6108613 surrounding said core, parts of said shell swaged close heat-conductive contact with the shell and prointo the gro ves f said core to secure tightly said shell vides a large surface for the heat flow. We prefer to 516 Cora, and a plurality of Corrugated 811%? metal solder or weld the corrugated jacket to the shell. SiTiPS fiXed t0 the ut r urfa f the shell and cirin order to facilitate the pulling down of the shell onto irimlferentially spaced from each other y at least one tne stator plates, we prefer to use a corrugated sheet f i gI V metal sleeve which is discontinuous in the vicinity of the 2- C r a d h ll f r electromotors comprising in longitudinal grooves, combination, an axially grooved laminated sheet metal The leeve may al o i t f narrow h t t l core presenting a cylindrical outer surface, two axially exstrips containing only one or t corrugatigns tending grooves in said surface, a cylindrical sheet metal The form of the corrugations should be so chosen as Shell 3 Surrounding Said Core, Parts Of Said Shell to provide for a certain elasticity when drawing the shell Swaged into the grooves of Said Core to Secure lightly onto the plates, and the strips may also be formed ith said shell to the core, and two corrugated sheet metal longitudinal ribs formed of aplurality of stifiening beads Strips fiXed t0 the t r urfa f th Shell and cirith t ti inner surfacw 0 cumferentially spaced from each other by said two In the drawings afilxed to this specification and forming groovespart thereof several embodiments of our invention are Cofe and Shell for electl'omotors Comprising in illustrated diagrammatically by way of example. bination, an axially grooved laminated sheet metal core In the drawings: presenting a cylindrical outer surface, two axially ex- Fig 1 i a l i of an b di h i tending grooves in said surface, a cylindrical sheet metal rugated sheet metal sleeve in two parts fastened on the Shell 3 Surrounding Said Core, Parts Of Said ll outer urfacg of h h m swaged into the grooves of said core to secure tightly said Fi 2, d 3 are i il views f two more b djshell to the core, and a plurality of sheet metal strips ments. fixed to the outer surface of the shell and circumferen- Referring to the drawings and first to Figs. 1 and 2, tially Spaced from each Othfif y at least 1 f Said 1 is the stator proper consisting of superposed sheet metal gTOOVeS, Said Sheet Infital Strips being cofrugatfid to rm laminae. 2 is one of a pair of longitudinal grooves doublfi-Walled ribsformed in the free faces of the laminae. 3 is the cylindrical steel shell surrounding the pack of laminae, which References Clted m the file of thls Pater!t by pressure has been forced into these grooves as shown UNITED STATES PATENTS at 20.
The sheet metal shell 3, before being placed around gfi ggi a1 5 the pack 1, has an inner diameter slightly larger than 1693839 Faudi 1978 the outer diameter of the pack and can easily be placed 1775055 Tarbox Sept 5 around the pack, to be then forced by circumferential 1 5 Lanz I: Dec 1 1935 pressure into close contact with thapack and held in 2,096,297 Goldner at a]. Oct 19 1937 place on the pack by the part protruding into the groove 2,151,561 Merrill Mar 21 1939 2- The shell thus secures the laminae against distortion. 2,205,138 Gould Jan 1940 In the embodiment Shown in e 1 two Corrugated 2,215,991 Anderson et al. 1.11:: Sept. 24, 1940 heat abducting sheets are fixed on the outer surface or" the shell 3 by soldering or welding, leaving free only the FOREIGN PATENTS grooved parts of the shell. 2 is one of the longitudinal 334,238 Great Britain Sept. 1, 1930 -"ed to a preliminary pressure. On the pack, on which
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2761984X | 1952-01-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
US2761984A true US2761984A (en) | 1956-09-04 |
Family
ID=7997887
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US331962A Expired - Lifetime US2761984A (en) | 1952-01-21 | 1953-01-19 | Core and shell for electromotors |
Country Status (1)
Country | Link |
---|---|
US (1) | US2761984A (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4105905A (en) * | 1975-01-08 | 1978-08-08 | General Electric Company | Auxiliary cooling device |
US4244098A (en) * | 1978-05-26 | 1981-01-13 | General Electric Company | Method of assembling a dynamoelectric machine and an auxiliary cooling device |
US4415824A (en) * | 1978-05-03 | 1983-11-15 | Zschokke Wartmann Ag | Stator casing for air-cooled electrical machines |
US4859101A (en) * | 1985-09-19 | 1989-08-22 | Seikosha Co., Ltd. | Device for cooling a carriage motor and printhead in a serial printer |
WO1994006192A1 (en) * | 1992-09-01 | 1994-03-17 | Unique Mobility | Stator and method of constructing same for high power density electric motors and generators |
US6020667A (en) * | 1998-09-10 | 2000-02-01 | General Electric Company | Stator bonding nib |
US20130071232A1 (en) * | 2011-09-21 | 2013-03-21 | General Electric Company | Ram air turbine with integrated heat exchanger |
US20190157922A1 (en) * | 2017-11-20 | 2019-05-23 | Hamilton Sundstrand Corporation | Electric motor |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1291388A (en) * | 1918-06-17 | 1919-01-14 | Arvac Mfg Company | Shaft-joint and method of forming the same. |
US1654840A (en) * | 1925-04-09 | 1928-01-03 | Honeywell Heating Specialties | Induction motor |
US1693839A (en) * | 1924-03-10 | 1928-12-04 | Faudi Fritz | Method of jointing tubular members |
GB334238A (en) * | 1929-05-30 | 1930-09-01 | Herbert Henry Kalber | Improvements relating to the construction of electric motors |
US1775055A (en) * | 1929-05-31 | 1930-09-02 | Tarbox Gurdon Lucius | Method of making tube joints |
US2025817A (en) * | 1933-07-25 | 1935-12-31 | Gilbert Co A C | Closed-pole electric motor |
US2096297A (en) * | 1935-12-20 | 1937-10-19 | Goldner Hans | Refrigerating machine |
US2151561A (en) * | 1937-05-08 | 1939-03-21 | Gen Electric | Dynamo-electric machine |
US2205138A (en) * | 1937-10-29 | 1940-06-18 | Gen Motors Corp | Refrigerating apparatus |
US2215991A (en) * | 1939-04-08 | 1940-09-24 | Westinghouse Electric & Mfg Co | Refrigeration apparatus |
-
1953
- 1953-01-19 US US331962A patent/US2761984A/en not_active Expired - Lifetime
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1291388A (en) * | 1918-06-17 | 1919-01-14 | Arvac Mfg Company | Shaft-joint and method of forming the same. |
US1693839A (en) * | 1924-03-10 | 1928-12-04 | Faudi Fritz | Method of jointing tubular members |
US1654840A (en) * | 1925-04-09 | 1928-01-03 | Honeywell Heating Specialties | Induction motor |
GB334238A (en) * | 1929-05-30 | 1930-09-01 | Herbert Henry Kalber | Improvements relating to the construction of electric motors |
US1775055A (en) * | 1929-05-31 | 1930-09-02 | Tarbox Gurdon Lucius | Method of making tube joints |
US2025817A (en) * | 1933-07-25 | 1935-12-31 | Gilbert Co A C | Closed-pole electric motor |
US2096297A (en) * | 1935-12-20 | 1937-10-19 | Goldner Hans | Refrigerating machine |
US2151561A (en) * | 1937-05-08 | 1939-03-21 | Gen Electric | Dynamo-electric machine |
US2205138A (en) * | 1937-10-29 | 1940-06-18 | Gen Motors Corp | Refrigerating apparatus |
US2215991A (en) * | 1939-04-08 | 1940-09-24 | Westinghouse Electric & Mfg Co | Refrigeration apparatus |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4105905A (en) * | 1975-01-08 | 1978-08-08 | General Electric Company | Auxiliary cooling device |
US4415824A (en) * | 1978-05-03 | 1983-11-15 | Zschokke Wartmann Ag | Stator casing for air-cooled electrical machines |
US4244098A (en) * | 1978-05-26 | 1981-01-13 | General Electric Company | Method of assembling a dynamoelectric machine and an auxiliary cooling device |
US4859101A (en) * | 1985-09-19 | 1989-08-22 | Seikosha Co., Ltd. | Device for cooling a carriage motor and printhead in a serial printer |
WO1994006192A1 (en) * | 1992-09-01 | 1994-03-17 | Unique Mobility | Stator and method of constructing same for high power density electric motors and generators |
US5382859A (en) * | 1992-09-01 | 1995-01-17 | Unique Mobility | Stator and method of constructing same for high power density electric motors and generators |
US5592731A (en) * | 1992-09-01 | 1997-01-14 | Unique Mobility, Inc. | Method of constructing a stator |
US6020667A (en) * | 1998-09-10 | 2000-02-01 | General Electric Company | Stator bonding nib |
US20130071232A1 (en) * | 2011-09-21 | 2013-03-21 | General Electric Company | Ram air turbine with integrated heat exchanger |
US8864448B2 (en) * | 2011-09-21 | 2014-10-21 | General Electric Company | Ram air turbine with integrated heat exchanger |
US20190157922A1 (en) * | 2017-11-20 | 2019-05-23 | Hamilton Sundstrand Corporation | Electric motor |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4756561A (en) | Sealing gasket | |
US2761984A (en) | Core and shell for electromotors | |
JPS5656595A (en) | Heat exchanger | |
DE3364953D1 (en) | Method of making resin-encapsulated coils for transformers | |
US3940648A (en) | Laminated core and support assembly for a dynamoelectric machine | |
US2489766A (en) | Chime for barrels | |
US2273186A (en) | Closure for high pressure heads | |
US4007867A (en) | Method of making resiliently compressed laminated core for a dynamoelectric machine | |
US2359118A (en) | Gasketed joint structure | |
JP2009044788A (en) | Split stator core, split stator, stator and manufacturing method of the stator | |
US3478553A (en) | Method of forming sandwich panels | |
US2920565A (en) | Helically wound metal cartridge cases | |
US1688762A (en) | Ring member and method of making same | |
US3566925A (en) | Spiral multilayer pipe for pressure vessel | |
US3120101A (en) | Channel-type shell construction for rocket engines and the like | |
US2109479A (en) | Grenade and method of making the same | |
US2378791A (en) | Ignition coil | |
US2996632A (en) | Stator can support | |
ITPR940024A1 (en) | PROCEDURE FOR MAKING A FRONT SEAL RING GASKET AND GASKET MADE SO | |
GB906282A (en) | Improvements in and relating to heat exchangers | |
US1503484A (en) | Commutator and process of manufacture | |
JP5341328B2 (en) | Stator | |
US3611767A (en) | Explosive forming of inner cylinders into outer cylinders | |
CN209658331U (en) | Lithium battery bushing installation | |
JPS55134990A (en) | Piezoelectric element unit |