Electricity: electrical systems and devices – Electrostatic capacitors – Fixed capacitor
Patent
1982-11-22
1984-05-08
Griffin, Donald A.
Electricity: electrical systems and devices
Electrostatic capacitors
Fixed capacitor
H01G 432
Patent
active
044478542
ABSTRACT:
Two wound-metallized-polypropylene capacitor sections of circular-cylindrical dimensions are housed in an oval metal can. One section forms a single capacitor. One metal film electrode of the other section is opened or interrupted in a middle position of the winding, and the uniterrupted other film electrode is terminated at the bottom end of this other section while the two interrupted inner and outer winding films are separately terminated at the top end. The bottom of both sections are connected together and to a feed through terminal in the housing wall. The above said outer film is connected via a conductive strap to the top termination of the one section and a second housing terminal while the inner film is connected only to a third housing terminal. In this way, an optimally dense oval package provides two capacitors at the package terminals that may have a ratio of values ranging from 3 to 12, ideally suited for use in air conditioners.
REFERENCES:
patent: 3441816 (1969-04-01), Butrico
patent: 3522498 (1970-08-01), Price
patent: 3691435 (1972-09-01), Winn
patent: 3921041 (1975-11-01), Stockman
patent: 4326237 (1982-04-01), Markarian et al.
patent: 4388669 (1983-06-01), Cichanowski
Griffin Donald A.
Sprague Electric Company
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