GB1068440A - Improvements in spark discharge electrodes for electrohydraulic systems - Google Patents
Improvements in spark discharge electrodes for electrohydraulic systemsInfo
- Publication number
- GB1068440A GB1068440A GB4270364A GB4270364A GB1068440A GB 1068440 A GB1068440 A GB 1068440A GB 4270364 A GB4270364 A GB 4270364A GB 4270364 A GB4270364 A GB 4270364A GB 1068440 A GB1068440 A GB 1068440A
- Authority
- GB
- United Kingdom
- Prior art keywords
- members
- tube
- bonded
- spark discharge
- electrode
- 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
Links
- 239000000463 material Substances 0.000 abstract 3
- 229910001369 Brass Inorganic materials 0.000 abstract 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 abstract 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 abstract 2
- 239000010951 brass Substances 0.000 abstract 2
- 239000000203 mixture Substances 0.000 abstract 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract 1
- 239000004593 Epoxy Substances 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 1
- 239000010425 asbestos Substances 0.000 abstract 1
- 229910000019 calcium carbonate Inorganic materials 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- 239000000919 ceramic Substances 0.000 abstract 1
- 229910010293 ceramic material Inorganic materials 0.000 abstract 1
- 239000004020 conductor Substances 0.000 abstract 1
- 229910052802 copper Inorganic materials 0.000 abstract 1
- 239000010949 copper Substances 0.000 abstract 1
- 239000012530 fluid Substances 0.000 abstract 1
- 239000003365 glass fiber Substances 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 229910052895 riebeckite Inorganic materials 0.000 abstract 1
- 229910001220 stainless steel Inorganic materials 0.000 abstract 1
- 239000010935 stainless steel Substances 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T13/00—Sparking plugs
- H01T13/52—Sparking plugs characterised by a discharge along a surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
- B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
- B21D26/06—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure by shock waves
- B21D26/12—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure by shock waves initiated by spark discharge
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/26—Perforating by non-mechanical means, e.g. by fluid jet
- B26F1/28—Perforating by non-mechanical means, e.g. by fluid jet by electrical discharges
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K15/00—Acoustics not otherwise provided for
- G10K15/04—Sound-producing devices
- G10K15/06—Sound-producing devices using electric discharge
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J17/00—Gas-filled discharge tubes with solid cathode
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2893/00—Discharge tubes and lamps
- H01J2893/0059—Arc discharge tubes
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Fluid Mechanics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
1,068,440. Discharge apparatus. GENERAL ELECTRIC CO. Oct. 20, 1964 [Nov. 13, 1963], No. 42703/64. Heading H1X. The dielectric 23 in a spark discharge electrode is a bonded particulated material which is bonded to conductive members 16 and 17. The material is preferably so composed as to be eroded at the same rate as the members 16 and 17 when used in an electrohydraulic system. The members 16 and 17 may be a stainless steel tube and a brass rod respectively, and may be of unequal lengths as shown, or of equal lengths. Other suitable conductive materials are copper and steel. The material 23 may be a mixture of powdered alumina and a cured liquid epoxy resin-catalyst composition in approximately equal parts. Other suitable ceramic materials are zirconia and calcium carbonate. Asbestos or glass fibres may be incorporated in the ceramic. Working fluid is supplied through a water jacket 19 slidably mounted on the tube 16 and connected by a spring 20 to a brass connector-ring 24 secured to the tube 16. The electrode may be connected via a coaxial cable 28 to a circuit described in Specification 1,047,730.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US32336263A | 1963-11-13 | 1963-11-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1068440A true GB1068440A (en) | 1967-05-10 |
Family
ID=23258887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4270364A Expired GB1068440A (en) | 1963-11-13 | 1964-10-20 | Improvements in spark discharge electrodes for electrohydraulic systems |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE1254896B (en) |
| GB (1) | GB1068440A (en) |
| NL (1) | NL6413034A (en) |
| SE (1) | SE321841B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2511201A1 (en) * | 1981-08-07 | 1983-02-11 | Pk Bjuro | Electrohydraulic forming electrode - with cushioned insulator end piece and two=part chuck |
| US7516634B1 (en) | 2008-05-05 | 2009-04-14 | Ford Global Technologies, Llc | Electrohydraulic forming tool |
| US7802457B2 (en) | 2008-05-05 | 2010-09-28 | Ford Global Technologies, Llc | Electrohydraulic forming tool and method of forming sheet metal blank with the same |
| US7810366B2 (en) | 2008-05-05 | 2010-10-12 | Ford Global Technologies, Llc | Electrohydraulic trimming, flanging, and hemming of blanks |
| US7827838B2 (en) | 2008-05-05 | 2010-11-09 | Ford Global Technologies, Llc | Pulsed electro-hydraulic calibration of stamped panels |
| US7905129B1 (en) | 2009-09-21 | 2011-03-15 | Ford Global Technologies, Llc | Method and tool for contracting tubular members by electro-hydraulic forming before hydroforming |
| CN103236649A (en) * | 2013-04-15 | 2013-08-07 | 西北工业大学 | Preparation method of discharge electrode high-strength insulation structure |
| US8534106B2 (en) | 2009-10-19 | 2013-09-17 | Ford Global Technologies, Llc | Hydromechanical drawing process and machine |
| US8567223B2 (en) | 2009-09-21 | 2013-10-29 | Ford Global Technologies, Llc | Method and tool for expanding tubular members by electro-hydraulic forming |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3533124A1 (en) * | 1985-09-17 | 1987-03-26 | Bosch Gmbh Robert | SPARK PLUG WITH GLIDING RANGE |
-
1964
- 1964-10-20 GB GB4270364A patent/GB1068440A/en not_active Expired
- 1964-10-30 DE DE1964G0041904 patent/DE1254896B/en active Pending
- 1964-11-09 NL NL6413034A patent/NL6413034A/xx unknown
- 1964-11-13 SE SE1371564A patent/SE321841B/xx unknown
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2511201A1 (en) * | 1981-08-07 | 1983-02-11 | Pk Bjuro | Electrohydraulic forming electrode - with cushioned insulator end piece and two=part chuck |
| US7516634B1 (en) | 2008-05-05 | 2009-04-14 | Ford Global Technologies, Llc | Electrohydraulic forming tool |
| US7802457B2 (en) | 2008-05-05 | 2010-09-28 | Ford Global Technologies, Llc | Electrohydraulic forming tool and method of forming sheet metal blank with the same |
| US7810366B2 (en) | 2008-05-05 | 2010-10-12 | Ford Global Technologies, Llc | Electrohydraulic trimming, flanging, and hemming of blanks |
| US7827838B2 (en) | 2008-05-05 | 2010-11-09 | Ford Global Technologies, Llc | Pulsed electro-hydraulic calibration of stamped panels |
| US7905129B1 (en) | 2009-09-21 | 2011-03-15 | Ford Global Technologies, Llc | Method and tool for contracting tubular members by electro-hydraulic forming before hydroforming |
| US8567223B2 (en) | 2009-09-21 | 2013-10-29 | Ford Global Technologies, Llc | Method and tool for expanding tubular members by electro-hydraulic forming |
| US8534106B2 (en) | 2009-10-19 | 2013-09-17 | Ford Global Technologies, Llc | Hydromechanical drawing process and machine |
| US9375775B2 (en) | 2009-10-19 | 2016-06-28 | Ford Global Technologies, Llc | Hydromechanical drawing process and machine |
| CN103236649A (en) * | 2013-04-15 | 2013-08-07 | 西北工业大学 | Preparation method of discharge electrode high-strength insulation structure |
Also Published As
| Publication number | Publication date |
|---|---|
| DE1254896B (en) | 1967-11-23 |
| SE321841B (en) | 1970-03-16 |
| NL6413034A (en) | 1965-05-14 |
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