Low pass filter network

Claim 2

A filter comprising: a tubular conductive case; a first terminal and a second terminal extending from opposite ends of said case and insulated therefrom; a solid chip capacitor means located within said conductive case; first means electrically connecting the first terminal element directly to the chip at one location thereon; second means electrically connecting the case directly to the chip at a second location thereon spaced from the first location, to capacitively couple the case and said first terminal; a high frequency filter means connected between said case and said second terminal element; and an inductive means located within said case and connected between said first terminal and said second terminal.

Claim 3

The filter of claim 1 wherein said capacitor means includes at least one chip capacitor extending transversely across said conductive case.

Claim 4

The filter of claim 1 wherein the second means includes a grounding spring connecting said conductive case to said chip capacitor.

Claim 5

The filter of claim 2 wherein said inductive means comprises a coil wound on a ferrite bobbin.

Claim 6

The filter of claim 1 wherein said chip capacitor means includes at least one chip capacitor extendinG axially along said conductive case.

Claim 7

The filter of claim 5 further comprising a conductive element extending through said conductive case, one end of said conductive element forming said first terminal, the other end of said conductive element forming said second terminal, said first means conductively connecting an intermediate portion of said conductive element to said chip capacitor means.

Claim 8

A filter comprising: a conductive case; a first terminal and a second terminal extending from opposite ends of said case; a chip capacitor means located within said conductive case and connected between said case and said first terminal element; a high frequency filter means connected between said case and said second terminal element; and an inductive means located within said case and connected between said first terminal and said second terminal, wherein said chip capacitor means includes at least one chip capacitor extending axially within said conductive case, further comprising a conductive element extending through said conductive case, one end of said conductive element forming said second terminal, and an intermediate portion of said conductive element being electrically connected to said chip capacitor, wherein said chip capacitor means comprises a plurality of capacitors and said filter further comprises an arched spring member bearing on and insulated from said case for holding said capacitors in electrical contact with said filter case, said intermediate portion forms a recess receiving said capacitors, said intermediate portion including a notch at said recess to retain said spring member.

Claim 9

A filter comprising: a conductive case; a first terminal and a second terminal extending from opposite ends of said case; a chip capacitor means located within said conductive case and connected between said case and said first terminal element; a high frequency filter means connected between said case and said second terminal element; and an inductive means located within said case and connected between said first terminal and said second terminal, wherein said chip capacitor means includes at least one chip capacitor extending axially within said conductive case, further comprising a conductive element extending through said conductive case, one end of said conductive element forming said second terminal, and an intermediate portion of said conductive element being electrically connected to said chip capacitor, wherein said chip capacitor means comprises a plurality of capacitors and said filter further comprises an arched spring member bearing on and insulated from said case for holding said capacitors in electrical contact with said filter case, said intermediate portion forms a recess receiving said capacitors, said intermediate portion including a notch at said recess to retain said spring member.

Claim 10

The filter of claim 7 wherein said chip capacitor means comprises a plurality of capacitors and said filter further comprises an arched spring member bearing on and insulated from said case for holding said capacitors in position to maintain electrical contact with said filter case.

Claim 11

The filter of claim 6 wherein said inductive element comprises a ferrite bead encircling said conductive element.

Claim 12

The filter of claim 1 wherein said chip capacitor means comprises a plurality of chip capacitors.

Claim 13

The filter of claim 1 wherein said high frequency filter comprises a tubular filter encircling said second terminal.

Claim 14

The filter of claim 11 wherein said tubular filter comprises a ferrite sleeve and a tubular ceramic capacitor extending over and along said sleeve.

Claim 15

The filter of claim 1 wherein the terminals are insulated from one another.