US1850585A - Electrical discharge device - Google Patents

Description

March 22, 1932. w, HENDRY 1,850,585

ELECTRICAL DI SCI-IARGE DEVICE Filed March 9. 1927 INVENTOR WILLIAM Huwm BYPJ 166,4;

ATTORNEY Patented Mar. 22, 1932 UNITED STATES PATENT QFFICE WILLIAM F. HENDRY, F OSSINING, NEW YORK, ASSIGNOR, BY MESNE ASSIGNMENTS,

TO MANHATTAN ELECTRICAL SUPPLY I COMPANY INC; OF JERSEY CITY, NEW M JERSEY, A CORPORATION OF NEW JERSEY ELECTRICAL mscimnen nnvicn Application filed March 9,

0 supported independently thereof.

An object of my invention is the provision of an improved rectifier construction whereby a rectifier of the above type may be cheap- 7 ly and efficiently constructed.

Another object is the construction of a rectifier of relatively small dimensions.

I accomplish these objects by so arranging the several component parts of the rectifier p that the cathode rests upon and is supported by the anode structures.

Other objects and advantages of my invention will be made clear by the following detained description and accompanying drawings, taken in connection with the appended claims forming a part hereof.

The invention is illustrated in connection with a rectifier of the type disclosed in my copending application Serial No. 14c0,309.

In the drawings, Fig. 1 is a. sectional view of a rectifier constructed in accordance with my invention. Fig. 2 is a plan view of the electrode structure of Fig. 1.

Reference numeral 1 indicates an envelope of glass or other transparent or translucent material, having an inwardly turned base portion 2 upon which is supported two anode structures 3 and at and a cathode Cathode 5 is preferably made of aluminum, although, it is within the scope of my invention to use other material. The inwardly. turned base portion 2 has attached thereto two tubular extensions 9 upon which the electrode structures are mounted. Electrode structures 3 and -1- consist of a conducting button having a base portion'6with a point 7 and a rod 8 attached lsz senai No. 173,911.

thereto. -This button is made preferably of carbon or nickel, but other conducting materials may be used. Rod 8 is seated within the.

bore ofextension 9'and is surrounded by a sleeve 14 of lava, porcelain or the like, which has a perforation 15 in one end and a perforation 11 in the other end thereof. The sleeve 14 by virtue of the perforations secures the button in position relative to the extension 9 of inwardly turned base portion 2. Point 7 fits closely withinthe perforation 11 but does not touch the walls thereof, due to being centered in the perforation by the base portion 6 which fits tightly into perforation 15 of the sleeve. I

Cathode 5 is pierced by two holes 16 and 17 through which the anode structures 3 and 4: roject. Sleeves 14 are tapered so that they will fit tightly within holes 16 and 17 Grooves 1O insleeves l4 serve to accommodate a fiat plate 12 which extends between the two sleeves. This plate 12 serves as a stop for preventing the cathode from sliding down on the anode structures too far. A leading-in wire 13 is connected to cathode 5 and passed downwardly through a hole in the cathode, and a hole in the plate 12 to the outside of the envelope. This wire 13 serves to hold the cathode 5 down upon the sleeves 14. A leading-in wire 18 is attached to rod 8 of each of the conducting buttons and extends to the outside of the envelope. 7

By constructing a rectifier in the manner disclosed herein, I obviate the necessity for a separate cathode support. and also cause the cathode to approach the anodes more closely, thus reducing the overall dimensions ofthe rectifier structure.

While I have shown for the purpose of illustration a specific embodiment of my invention, I do not wish to be limited thereby as it will be evident to one skilled in the art that eriationsmay be made in the materials used and the arrangement of parts, without a de parture from the spirit of the invention as set forth in the following claims.

What I claim is:

1. A rectifier comprising an envelope having an'inwardly turned end portion, atubular extension attached to the end portion, a conducting button having a base portion and a point, supported by said extension said base portion resting against the end of the extension, an insulating sleeve closely surrounding the said point and extending downwardly closely embracing the said base portion and a section of the tubular extension, an electrode 7 having a perforation therein, said sleeve projeoting within the perforation and serving as a support for the electrode.

extending between the two sleeves and supported by the grooves, a hollow electrode having two perforations therein, said sleeves projecting within the perforations and serving as a support for the electrode, leading-in wires attached to the rods of the buttons and to the electrode and extending to the outside of the envelope through seals in the walls thereof.

In testimony whereof, I have si ed my name to this specification, this 2n day of March 1927.

WILLIAM F. HENDRY.

2. An electrical discharge devicecompris-v g ing an envelope having an inwardly'turned end portion, two tubular extensions attached to the end portion, a conductingbutton having a base portion and a point, supported by each of said extensions, said base portions resting against the end of the extensions, an

' insulating sleeve surrounding the said point and extendingdownwardly and closely embracing the said base portion and a section of the tubular extension, an electrode havingtwo perforations therein, said sleeves projecting within the perforations and serving as a support for the electrode.

3. An electrical discharge device, comprising an envelope having an inwardly turned withinthe perforations and serving as a sup-.

port for the electrode, leading-in wires attached to the rods of the buttons and to the electrode and extending to the outside of the envelope through seals inthe walls thereof. 4. rectifier, comprising an envelope hav-v ing an inwardly turned end portion, two tubular extensions attachedto the end portion, a conducting button having a base portion, a

i point projecting from one side thereof and a rod projecting from the other side thereof, supported by each of said extensions, said basefportion resting against the end of the extension and the said rod extending inside the said extension,'a'n outwardly tapered insulating sleeveclosely surrounding the said polnt but not touching the same "and extending do'wn'wardlyclosely embracing the said base portion and a section of the tubular extension, a groove in each sleeve, a thin plate

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