US2157715A - Electrical condenser - Google Patents

Electrical condenser Download PDF

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Publication number
US2157715A
US2157715A US81657A US8165736A US2157715A US 2157715 A US2157715 A US 2157715A US 81657 A US81657 A US 81657A US 8165736 A US8165736 A US 8165736A US 2157715 A US2157715 A US 2157715A
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United States
Prior art keywords
bolts
metallized
disks
holes
hole
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
Application number
US81657A
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English (en)
Inventor
Meggenhofen Eduard Mayer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Telefunken AG
Original Assignee
Telefunken AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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Publication of US2157715A publication Critical patent/US2157715A/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G4/00—Fixed capacitors; Processes of their manufacture
    • H01G4/002—Details
    • H01G4/224—Housing; Encapsulation

Definitions

  • the present invention is concerned with Ian electrical condenser which distinguishes itself by its great mechanical strength and ruggedness as well as by-its compact construction. From the same construction elements it is an easy matter to make, according to desires orrequirements, .series, parallel, or series-parallel organizations of the capacitive parts.
  • Fig. 1 is a perspective view of the condenser base plate
  • Fig. 2 is a. detail of a securing bolt
  • Fig. 3 is a detail of a terminal lug
  • Fig. 4 is a perspective view of the assembled bolts and terminal lugs
  • Fig. 5 is a detail ofv an insulating disc of this invention.
  • Fig. 6 is another detail of an insulating disc of this invention.
  • Fig. 7 is a further modification of an insulating disc of this invention.
  • Fig. 8 is a detail of an insulating disc having notches instead of holes.
  • Flg. 9 is a detail of an insulating disk similar to Fig. 8, except that both nat faces are metalliZed.
  • the most important constituents of the condenser comprise: a dielectric base (plate) or mounting plate with several holes; metallic bolts which are secured in all or in some of the holes before mentioned, and dielectric disks acting as the capacitive construction portions of the surface area the said disks are metalllzed.
  • I denotes the base plate made of a suitable dielectric material and havupon both faces of ing holes or recesses 2.
  • metallic bolts' 3 Fig. 2
  • current supply or terminal lugs 4 may be provided for some or for all of the bolts (see Fig. 3) which when the bolts are screwed home are clamped between them and the mounting or base plate, and which are soldered together with the said bolts.
  • Fig. 4 shows the base plate i assembled with bolts 3 and lugs 4. Upon the structure or cage thus formed are 'fitted the disks which serve as capacitive units.
  • a disk ofthe said sort is shown, for instance, in Fig. 5.
  • the same consists of a suitable dielectric material; preferably ceramic materials could be used. Most advantageous are ceramic materials which nowadays are manufactured with an admixture of rutil, and which have a dielectric constant of over 80.
  • the dielectric body 5 of the disk is covered upon both of its faces with metallized layers or coats 8 to a substantial exunits. Substantial tent.
  • Each of the disks has a number of holes (in Fig. 5 eight such holes are shown), and some of these holes, for instance, holes l and 'l' are metallized on their inside walls.
  • the metallized layer of the inside Wallin the case of hole l is electrically associated with the metallized coat 6 of the top face, for instance, by that it is connected therewith by a narrow strip of metallized surface 9.
  • the inside metallization of hole 'l' is united ⁇ with the metallized coat of the bottom face, for instance, by way of the strip 9.
  • the disks are so placed uuon the supporting structure (or cage) shown in Fig. 4 that the bolts will pass through the holes in the disks or circular plates.
  • the metallized inside walls of the' holes are soldered together with the bolts passed therethrough. All that is necessary with the said end. in View is to hold the soldering iron or some other suitable source of heat against the top ends of the bolts.
  • solder disposed in the neighborhood of the holes will thus be caused to melt and thereby fill the gap between the walls of the holes and the bolts completely. With such a procedure, the dielectric vmaterial of the disks is but little endangered.
  • the preferable plan is to place the disks soclose in superposed relationship that the bottom metallized face of each disk comes to thetop metallization bolt No. 1, and the bolt following it in anti-clockwise direction as bolt No. 2, the next one in the same direction as No. 3, then the disks are superposed approximately as follows: y The first disk is laid upon the bottom or mounting plate in such a way thatv the metallized hole 'l' which has the polarity of the bottom coat ef this disk Containern-e first bolt and mtallized hole l which has the polarity of the. top coat of the disk, the second bolt.
  • the disks could have a form as shown in Figs. 7 and 8.
  • the holes through which the bolts are passed are shown in the form of notches being open in circumferential direction.
  • A-n electric condenser comprising a circular mounting plate having a plurality of threaded apertures on the same radius, a plurality of meside the area occupied by said apertures, the remaining area forming an uncoated rim, said discs being provided with openings through which said bolts pass, and a metallized strip electrically connecting at least one ⁇ of said metallized faces and said bolts.
  • An electric condenser comprising a circular mounting plate having more than three threaded apertures on the same radius, a plurality of metallic bolts forming a cage-like structure secured by the threads in said apertures, a plurality of' circular discs of ceramic material having a substantial portion of both flat faces metallized inside the area occupied by said apertures, the re- :maining area forming an uncoated rim, said discs being provided with openings through which said bolts pass, an'd a metallized strip electrically connecting at least one of said metallized faces and said bolts.
  • An electric condenser comprising a circular mounting plate having a plurality of threaded apertures on the same radius, a plurality of me:l tallic bolts forming a cage-like structure secured by the, threads in said apertures, a plurality of circular discs of ceramic material having a substantial portion'of both fiat faces metallized inside the area occupied by said apertures, the remaining area forming an uncoated rim, said discs being provided with openings through which said bolts pass, a metallizedstrip electrically connecting at least one of saidmetallized faces and said bolts, said connecting strip4 of a top metallized face being shifted with reference to the bottom metallized face of an adjacent disc.
  • An electric condenser comprising a circular mounting plate Ahavinga plurality of threaded apertures on the same radius, a plurality of metallic bolts forming a cage-like structure secured by the threads in said apertures, a plurality of circular discs of ceramic material having a substantial portion of bo-th at faces metallized inside the area occupied by said apertures, the remaining area forming an uncoated rim, said discs being provided with a plurality of notches open at the periphery of said disc through which' said bolts pass, and a metallized strip electrically connecting at least one of said metallized faces and said bolts.
  • An electric condenser comprising a thick mounting plate having a plurality of threaded apertures, a plurality of metallic bolts secured in said apertures, a plurality of fiat discs of ceramic material having a substantial portion of both iiatfaces metallized inside the area occupied by said apertures, the remaining area forming an uncoated margin, said discs being provided with slots through which said bolts pass, a metallized strip electrically connected at at least one of said metallized faces and said-bolts, said connecting strip of a top metallized face being shifted with reference to the bottom metallized face of an adjacent disc.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
US81657A 1935-05-25 1936-05-25 Electrical condenser Expired - Lifetime US2157715A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2157715X 1935-05-25

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US2157715A true US2157715A (en) 1939-05-09

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US81657A Expired - Lifetime US2157715A (en) 1935-05-25 1936-05-25 Electrical condenser

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US (1) US2157715A (de)
AT (1) AT151223B (de)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2430433A (en) * 1942-02-05 1947-11-04 Erie Resistor Corp Electric capacitor
US2437212A (en) * 1942-12-23 1948-03-02 Frederic D Schottland Electric condenser and method for making the same
US2552653A (en) * 1944-08-23 1951-05-15 Stupakoff Ceramic & Mfg Co Electrical condenser
US2608601A (en) * 1950-05-17 1952-08-26 Bell Telephone Labor Inc Capacitor
US2790955A (en) * 1957-04-30 Capacitative commutator
US2808544A (en) * 1948-07-16 1957-10-01 Sprague Of Wisconsin Inc Volume control unit
US2903634A (en) * 1954-09-22 1959-09-08 Acf Ind Inc Printed capacitor
US3346790A (en) * 1960-02-18 1967-10-10 Tobe Deutschmann Lab Low inductance high voltage capacitor

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2790955A (en) * 1957-04-30 Capacitative commutator
US2430433A (en) * 1942-02-05 1947-11-04 Erie Resistor Corp Electric capacitor
US2437212A (en) * 1942-12-23 1948-03-02 Frederic D Schottland Electric condenser and method for making the same
US2552653A (en) * 1944-08-23 1951-05-15 Stupakoff Ceramic & Mfg Co Electrical condenser
US2808544A (en) * 1948-07-16 1957-10-01 Sprague Of Wisconsin Inc Volume control unit
US2608601A (en) * 1950-05-17 1952-08-26 Bell Telephone Labor Inc Capacitor
US2903634A (en) * 1954-09-22 1959-09-08 Acf Ind Inc Printed capacitor
US3346790A (en) * 1960-02-18 1967-10-10 Tobe Deutschmann Lab Low inductance high voltage capacitor

Also Published As

Publication number Publication date
AT151223B (de) 1937-10-25

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