US898858A - Means of obviating the deleterious effects of oscillations. - Google Patents

Means of obviating the deleterious effects of oscillations. Download PDF

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Publication number
US898858A
US898858A US35489007A US1907354890A US898858A US 898858 A US898858 A US 898858A US 35489007 A US35489007 A US 35489007A US 1907354890 A US1907354890 A US 1907354890A US 898858 A US898858 A US 898858A
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United States
Prior art keywords
obviating
deleterious effects
oscillations
unmagnetic
sleeve
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Expired - Lifetime
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US35489007A
Inventor
Clarence Feldmann
Josef Herzog
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Priority to US35489007A priority Critical patent/US898858A/en
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    • 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
    • H01T13/02—Details
    • H01T13/04—Means providing electrical connection to sparking plugs
    • H01T13/05—Means providing electrical connection to sparking plugs combined with interference suppressing or shielding means

Definitions

  • the object of the invention is to do away with or weaken the injurious operation of oscillations occurring in the iron sheathed cable systems.
  • the armor parts, such as sleeves, etc. are made of an unmagnetic Accordlng to the inventlon the en,
  • tire sleeve, etc. may be made of such material, or the sleeve may be partly of unmagnetic and partly of magnetic material.
  • the preferred material is an ,unmagnetic metal.
  • Such armor parts so constructed cause not only a considerable reduction of the inductance but-also have the great advantage of mechanical rigidity and compactnesswhich is important in underground systems and others.
  • Figure 1 is a side view of the sleeve partly in section;
  • Fig. 2 is a plan of the same with one-half of the-upper part removed.
  • the upper a of the sleeve is made of unmagnetic material, while the lower-part 1) consists of iron or the like.
  • the unmagnetic material may be bronze, brass, nickel, steel mixture, or any other unmagnetic alloy.
  • the entire sleeve may be made of unmagnetic material if desired.
  • An iron-sheathed cable system having its fittings constructed with non-magnetic metal.
  • An iron-sheathed cable system having its fittings constructed withv their upper parts of non-magnetic metal.

Description

C. FELDMANN & J. HERZOG.
\ MEANS OF OBVIAI'ING THE DELETERIOUS EFFECTS OF OSGILLATIONS.
APPLICATION FILED JAN. 30, 1907.
898,858. Patented Sept. 15, 1908.
WITNESSES I/VVE/V TORS 074% W MM UNITED STATES PATENT OFFICE.
CLARENCE FELDMANN, OF DELFT, NETHERLANDS, AND JOSEF HERZOG, OF BUDAPEST, AUSTRIA-HUNGARY.
MEANS OF OBVIATING THE DELETERIOUS EFFECTS OF OSCILLATIONS.
Specification of Letters Patent.
Patented Sept. 15, 1908.
Application filed January 30, 1907. Serial No. 354,890.
ments Relating to Improved Methods of Obviating the Deleterious Effects of Oscilla- -tions, of which the following is a full, clear,
and exact description.
The object of the invention is to do away with or weaken the injurious operation of oscillations occurring in the iron sheathed cable systems. To this end the armor parts, such as sleeves, etc. are made of an unmagnetic Accordlng to the inventlon the en,
material. tire sleeve, etc. may be made of such material, or the sleeve may be partly of unmagnetic and partly of magnetic material. The preferred material is an ,unmagnetic metal.
Such armor parts so constructed cause not only a considerable reduction of the inductance but-also have the great advantage of mechanical rigidity and compactnesswhich is important in underground systems and others.
In the drawing wherein we have shown as an example of the invention a distribution sleeve such as is commonly used for the lay? ing of electric wires, Figure 1 is a side view of the sleeve partly in section; Fig. 2 is a plan of the same with one-half of the-upper part removed.
In the example shown the upper a of the sleeve is made of unmagnetic material, while the lower-part 1) consists of iron or the like. The unmagnetic material. may be bronze, brass, nickel, steel mixture, or any other unmagnetic alloy. Of course, the entire sleeve may be made of unmagnetic material if desired. By use of a sleeve or similar armor the magnetic circuit around the cable is less well closed, so that the inductance is reduced. The employment of such unmag'netic cable sleeves and boxes, by' reducing the increase of tension during a shortcircuit or other cable defect, greatly increases the security of use and length of life of the cable. We have found that by such use many dangers can be avoided which were formerly ascribed to defects in manufacture or to other causes.
What we claim as our invention, and desire to secure by Patent is:
1. An iron-sheathed cable system having its fittings constructed with non-magnetic metal. f 2. An iron-sheathed cable system having its fittings constructed withv their upper parts of non-magnetic metal.
In witness whereof, we have hereunto signed our names in the presence of two subscribing witnesses.
' CLARENCE FELDMANN.
JOSEF HERZOG.
Witnesses:
AUGUST F. MoCoUcn, GRooHEN MOUWER.
US35489007A 1907-01-30 1907-01-30 Means of obviating the deleterious effects of oscillations. Expired - Lifetime US898858A (en)

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US35489007A US898858A (en) 1907-01-30 1907-01-30 Means of obviating the deleterious effects of oscillations.

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US35489007A US898858A (en) 1907-01-30 1907-01-30 Means of obviating the deleterious effects of oscillations.

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2469445A (en) * 1944-03-25 1949-05-10 Ite Circuit Breaker Ltd Bus bar housing
US2604507A (en) * 1945-08-09 1952-07-22 Bendix Aviat Corp Shielding closure means
US2718542A (en) * 1949-10-19 1955-09-20 Okonite Co Electric cable systems

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2469445A (en) * 1944-03-25 1949-05-10 Ite Circuit Breaker Ltd Bus bar housing
US2604507A (en) * 1945-08-09 1952-07-22 Bendix Aviat Corp Shielding closure means
US2718542A (en) * 1949-10-19 1955-09-20 Okonite Co Electric cable systems

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