Ignition apparatus

Claim 2

A jet flame ignition apparatus for internal combustion engines comprising, a housing having a cavity constituting a chamber; means on said housing for mounting an ignition device in said chamber; means on said housing forming a relatively large port, leading to and from said chamber, a one-way valve and a valve seat on said housing at said port allowing relatively free entry through said port to said chamber and preventing free exit through said port from said chamber, and means on said housing forming at least one relatively small jet passage leading from said chamber; said apparatus being integratable with an engine with said port and Said jet passage in communication with the cylinder of an engine; with said apparatus integrated with an engine and an ignition device, said port and valve supply combustible fuel mixture from the cylinder to said chamber upon the compression stroke of the piston in the cylinder; upon the power stroke of the piston in the cylinder and ignition of the fuel mixture in said chamber by the ignition device, said valve in said port prevents free escape through said port of the expanding gases resulting from the combustion of the fuel mixture in said chamber and confines them therein to develop increased pressure in said chamber; and the burning fuel mixture and gases under the increased pressure in said chamber are forced through said jet passage and project in a jet flame into the cylinder to ignite the fuel mixture in the cylinder.

Claim 3

In an apparatus as set forth in claim 1, said housing comprising a hollow socket having a threaded male end screwable into the threaded spark plug opening of an engine and an opposite threaded female end for screwing a spark plug therein.

Claim 4

In an apparatus as set forth in claim 1, said housing comprising, a hollow case integrated with a spark plug as the engine end of said spark plug; and, said case including a threaded male end screwable into the threaded spark plug opening of an engine.

Claim 5

In an apparatus as set forth in claim 1, a portion of an engine comprising said housing.

Claim 6

In an apparatus as set forth in claim 1, means displacibly biasing said valve to a position closing said port.

Claim 7

In an apparatus as set forth in claim 1, said valve being urged to a position closing said port by the increased pressure in said chamber resulting from the burning of the fuel mixture in said chamber.

Claim 8

In an apparatus as set forth in claim 1, a plurality of jet passages and a plurality of ports wherein the combined cross-sectional area of said jet passages is substantially less than the combined cross-sectional area of said ports to provide free entry to said chamber and to restrict exit from said chamber.

Claim 9

A jet flame ignition apparatus for internal combustion engines, comprising, a hollow housing defining an internal chamber and having a threaded male end for insertion in the spark-plug hole of an engine and a threaded female end for insertion of a spark plug therein; said housing having a relatively large port in said male end leading to said chamber, a valve seat at said port, valve locating means, a one-way valve at said seat allowing entry through said port to said chamber and preventing exit through said port from said chamber, and at least one relatively small jet passage leading from said chamber past said male end not controlled by said valve; said seat and valve being adapted to open in response to higher pressure at said port than in said chamber to allow entry of fuel mixture through said port to said chamber and to close to prevent exit through said port from said chamber to build pressure in said chamber; said apparatus when integrated with an engine cylinder and a spark plug, upon the compression stroke of the piston in the cylinder, receiving fuel mixture through said port into said chamber past said valve responsive to the higher pressure in the cylinder; upon the power stroke of the piston in the cylinder and ignition of the fuel mixture in said chamber by the spark plug, the fuel mixture burns and produces expanding gases raising the pressure in said chamber higher than in the cylinder with said valve preventing escape through said port; and with said valve blocking said port and the burning and production of expanding gases occuring in said chamber the pressure in said chamber rises higher than the pressure in the cylinder and forces the burning fuel mixture in said chamber through said jet passage in a jet flame into the cylinder to ignite the fuel mixture in the cylinder.

Claim 10

A jet flame ignition apparatus for internal combustion engines, comprising, a hollow housing defining an internal chamber and having a threaded male end for insertion in the spark-plug hole of an engine and a threaded female end for insertion of a spark plug therein; said housing having a relatively large port in said male end leading to said chamber, a valve seat at said port, valve locating means, a one-way valve at said seat allowing entry through said port to said chamber and preventing exit through said port from said chamber, and at least one relatively small jet passage leading from said chamber past said male end not controlled by said valve; said seat and valve being adapted to open in response to higher pressure at said port than in said chamber to allow entry of fuel mixture through said port to said chamber and to close to prevent exit through said port from said chamber to build pressure in said chamber; said apparatus when integrated with an engine cylinder and a spark plug, upon the compression stroke of the piston in the cylinder, receiving fuel mixture through said port into said chamber past said valve responsive to the higher pressure in the cylinder; upon the power stroke of the piston in the cylinder and ignition of the fuel mixture in said chamber by the spark plug, the fuel mixture burns and produces expanding gases raising the pressure in said chamber higher than in the cylinder with said valve preventing escape through said port; and with said valve blocking said port and the burning and production of expanding gases occuring in said chamber the pressure in said chamber rises higher than the pressure in the cylinder and forces the burning fuel mixture in said chamber through said jet passage in a jet flame into the cylinder to ignite the fuel mixture in the cylinder.

Claim 11

A jet flame ignition apparatus for internal combustion engines comprising a spark plug, a hollow case depending from said spark plug defining an internal chamber and having a threaded male end for insertion in the spark plug hole of an engine, said case having a relatively large port in said male end leading to said chamber, a valve seat at said port, valve locating means, a one-way valve at said seat allowing entry through said port to said chamber and preventing exit through said port from said chamber, and at least one relatively small jet passage leading from said chamber past said male end not controlled by said valve, said seat and valve being adapted to open in response to higher pressure at said port than in said chamber to allow entry of fuel mixture through said port to said chamber and to close to prevent exit through said port from said chamber to build pressure in said chamber, said apparatus when integrated with an engine cylinder and a spark plug upon the compression stroke of the piston in the cylinder, receiving fuel mixture through said port into said chamber past said valve responsive to the higher pressure in the cylinder, upon the power stroke of the piston in the cylinder and ignition of the fuel mixture in said chamber by the spark plug the fuel mixture burns and produces expanding gases raising the pressure in said chamber higher than in the cylinder with said valve preventing escape through said port; and with said valve blocking said port and the burning and production of expanding gases occuring in said chamber the pressure in said chamber rises higher than pressure in the cylinder and forces the burning fuel mixture in said chamber through said jet passage in a jet flame into the cylinder to ignite the fuel mixture in the cylinder,

Claim 12

A jet flame ignition apparatus for internal combustion engines comprising a spark plug, a hollow case depending from said spark plug defining an internal chamber and having a threaded male end for insertion in the spark plug hole of an engine, said case having a relatively large port in said male end leading to said chamber, a valve seat at said port, valve locating means, a one-way valve at said seat allowing entry through said port to said chamber and preventing exit through said port from said chamber, and at least one relatively small jet passage leading from said chamber past said male end not controlled by said valve, said seat and valve being adapted to open in response to higher pressure at said port than in said chamber to allow entry of fuel mixture through said port to said chamber and to close to prevent exit through said port from said chamber to build pressure in said chamber, said apparatus when integrated with an engine cylinder and a spark plug upon the compression stroke of the piston in the cylinder, receiving fuel mixture through said port into said chamber past said valve responsive to the higher pressure in the cylinder, upon the power stroke of the piston in the cylinder and ignition of the fuel mixture in said chamber by the spark plug the fuel mixture burns and produces expanding gases raising the pressure in said chamber higher than in the cylinder with said valve preventing escape through said port; and with said valve blocking said port and the burning and production of expanding gases occuring in said chamber the pressure in said chamber rises higher than pressure in the cylinder and forces the burning fuel mixture in said chamber through said jet passage in a jet flame into the cylinder to ignite the fuel mixture in the cylinder,

Claim 13

A jet flame ignition apparatus for internal combustion engines comprising, an engine portion defining an internal chamber adjacent a cylinder, said engine portion having a spark plug hole leading to said chamber and a relatively large port leading from said chamber to the cylinder; said engine portion having a valve seat at said port, valve locating means, a one-way valve at said seat allowing entry through said port to said chamber and preventing exit through said port from said chamber, and at least one relatively small jet passage leading from said chamber to a cylinder not controlled by said valve, said seat and valve being adapted to open in response to higher pressure at said port than in said chamber to allow entry of fuel mixture through said port to said chamber and to close to prevent exit through said port from said chamber to build pressure in said chamber, said apparatus when integrated with an engine cylinder and a spark plug, upon the compression stroke of the piston in the cylinder, receiving fuel mixture through said port into said chamber past said valve responsive to the higher pressure in the cylinder; upon the power stroke of the piston in the cylinder and ignition of the fuel mixture in said chamber by the spark plug the fuel mixture burns and produces expanding gases raising the pressure in said chamber higher than in the cylinder with said valve preventing escape through said port; and upon said valve blocking said port and the burning and production of expanding gases occuring in said chamber the pressure in said chamber rises higher than the pressure in the cylinder and forces the burning fuel mixture in said chamber through said jet passage in a jet flame into the cylinder to ignite the fuel mixture in the cylinder.

Claim 14

A jet flame ignition apparatus for internal combustion engines comprising, an engine portion defining an internal chamber adjacent a cylinder, said engine portion having a spark plug hole leading to said chamber and a relatively large port leading from said chamber to the cylinder; said engine portion having a valve seat at said port, valve locating means, a one-way valve at said seat allowing entry through said port to said chamber and preventing exit through said port from said chamber, and at least one relatively small jet passage leading from said chamber to a cylinder not controlled by said valve, said seat and valve being adapted to open in response to higher pressure at said port than in said chamber to allow entry of fuel mixture through said port to said chamber and to close to prevent exit through said port from said chamber to build pressure in said chamber, said apparatus when integrated with an engine cylinder and a spark plug, upon the compression stroke of the piston in the cylinder, receiving fuel mixture through said port into said chamber past said valve responsive to the higher pressure in the cylinder; upon the power stroke of the piston in the cylinder and ignition of the fuel mixture in said chamber by the spark plug the fuel mixture burns and produces expanding gases raising the pressure in said chamber higher than in the cylinder with said valve preventing escape through said port; and upon said valve blocking said port and the burning and production of expanding gases occuring in said chamber the pressure in said chamber rises higher than the pressure in the cylinder and forces the burning fuel mixture in said chamber through said jet passage in a jet flame into the cylinder to ignite the fuel mixture in the cylinder.