CH564873A4 - Force feed air-cooled electric machine - has fan circulating cooling air through stator-rotor cores and over outer heat exchanger - Google Patents
Force feed air-cooled electric machine - has fan circulating cooling air through stator-rotor cores and over outer heat exchangerInfo
- Publication number
- CH564873A4 CH564873A4 CH564873D CH564873D CH564873A4 CH 564873 A4 CH564873 A4 CH 564873A4 CH 564873 D CH564873 D CH 564873D CH 564873 D CH564873 D CH 564873D CH 564873 A4 CH564873 A4 CH 564873A4
- Authority
- CH
- Switzerland
- Prior art keywords
- heat exchanger
- stator
- air
- electric machine
- cooled electric
- Prior art date
Links
- 238000001816 cooling Methods 0.000 title 1
- 239000012809 cooling fluid Substances 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H13/00—Measuring resonant frequency
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/351—Working by laser beam, e.g. welding, cutting or boring for trimming or tuning of electrical components
-
- G—PHYSICS
- G04—HOROLOGY
- G04F—TIME-INTERVAL MEASURING
- G04F5/00—Apparatus for producing preselected time intervals for use as timing standards
- G04F5/04—Apparatus for producing preselected time intervals for use as timing standards using oscillators with electromechanical resonators producing electric oscillations or timing pulses
- G04F5/06—Apparatus for producing preselected time intervals for use as timing standards using oscillators with electromechanical resonators producing electric oscillations or timing pulses using piezoelectric resonators
- G04F5/063—Constructional details
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H3/00—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators
- H03H3/007—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks
- H03H3/02—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezoelectric or electrostrictive resonators or networks
- H03H3/04—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezoelectric or electrostrictive resonators or networks for obtaining desired frequency or temperature coefficient
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Laser Beam Processing (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
- Motor Or Generator Cooling System (AREA)
- Lasers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH564873A CH604268B5 (xx) | 1973-04-19 | 1973-04-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH564873A4 true CH564873A4 (en) | 1977-08-15 |
Family
ID=4297103
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH564873A CH604268B5 (xx) | 1973-04-19 | 1973-04-19 | |
| CH564873D CH564873A4 (en) | 1973-04-19 | 1973-04-19 | Force feed air-cooled electric machine - has fan circulating cooling air through stator-rotor cores and over outer heat exchanger |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH564873A CH604268B5 (xx) | 1973-04-19 | 1973-04-19 |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS5014288A (xx) |
| CH (2) | CH604268B5 (xx) |
| DE (1) | DE2335495B2 (xx) |
| FR (1) | FR2226257B1 (xx) |
| GB (1) | GB1446806A (xx) |
| IT (1) | IT1009891B (xx) |
| NL (1) | NL7405284A (xx) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4875924A (xx) * | 1972-01-12 | 1973-10-12 | ||
| JPS5199219U (xx) * | 1975-02-08 | 1976-08-09 | ||
| JPS5199220U (xx) * | 1975-02-08 | 1976-08-09 | ||
| FR2319242A1 (fr) * | 1975-07-25 | 1977-02-18 | Thomson Csf | Procede et systeme de controle de l'usinage, par un faisceau de particules chargees d'un substrat piezo-electrique |
| JPS5215285A (en) * | 1975-07-25 | 1977-02-04 | Seiko Instr & Electronics Ltd | Method of processing piezo-electric oscillator |
| CH588169A5 (xx) * | 1975-09-12 | 1977-05-31 | Suisse Horlogerie | |
| JPS5759649Y2 (xx) * | 1976-12-24 | 1982-12-20 | ||
| CH630747A5 (fr) * | 1979-01-18 | 1982-06-30 | Ebauches Sa | Procede d'ajustement de la frequence d'un resonateur et resonateur a frequence ajustee obtenu par la mise en oeuvre de ce procede. |
| US4638205A (en) * | 1980-05-06 | 1987-01-20 | Tdk Electronics Co., Ltd. | Piezo-electric transducer |
| US4401876A (en) | 1980-05-20 | 1983-08-30 | Martin Cooper | Working gemstones |
| US4455500A (en) * | 1983-07-28 | 1984-06-19 | Western Geophysical Company Of America | Sensitivity and capacitance adjustment method for piezoelectric accelerometers |
| FR2557732B1 (fr) * | 1983-12-28 | 1986-04-11 | Lefevre Rene | Procede de realisation de dispositifs piezoelectriques miniatures utilisant un usinage par laser et dispositifs obtenus par ce procede |
| US4650619A (en) * | 1983-12-29 | 1987-03-17 | Toshiba Ceramics Co., Ltd. | Method of machining a ceramic member |
| US5138214A (en) * | 1989-12-27 | 1992-08-11 | Matsushita Electric Industrial Co., Ltd. | Piezoelectric transducer and method of adjusting oscillation frequency thereof |
| US5932119A (en) | 1996-01-05 | 1999-08-03 | Lazare Kaplan International, Inc. | Laser marking system |
| CN109986702A (zh) * | 2017-12-29 | 2019-07-09 | 晶石科技(中国)股份有限公司 | 一种手表蓝宝石玻璃切割加工工艺 |
-
1973
- 1973-04-19 CH CH564873A patent/CH604268B5/xx not_active IP Right Cessation
- 1973-04-19 CH CH564873D patent/CH564873A4/xx unknown
- 1973-07-10 DE DE19732335495 patent/DE2335495B2/de not_active Withdrawn
-
1974
- 1974-04-11 GB GB1615174A patent/GB1446806A/en not_active Expired
- 1974-04-17 IT IT7421573A patent/IT1009891B/it active
- 1974-04-18 NL NL7405284A patent/NL7405284A/xx unknown
- 1974-04-18 FR FR7413491A patent/FR2226257B1/fr not_active Expired
- 1974-04-19 JP JP49043504A patent/JPS5014288A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| GB1446806A (en) | 1976-08-18 |
| NL7405284A (xx) | 1974-10-22 |
| FR2226257B1 (xx) | 1976-10-08 |
| JPS5014288A (xx) | 1975-02-14 |
| IT1009891B (it) | 1976-12-20 |
| DE2335495A1 (de) | 1975-01-02 |
| FR2226257A1 (xx) | 1974-11-15 |
| DE2335495B2 (de) | 1976-07-29 |
| CH604268B5 (xx) | 1978-08-31 |
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