대표
청구항
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1. A flame device comprising: a fluid inducing assembly including a support and a flow diverting mechanism mounted on the support, with the flow diverting mechanism including a plurality of vanes, with the plurality of vanes circumferentially disposed, with each pair of adjacent vanes including a space therebetween defining a passage which is spiral shaped, with the support including a base and a concealing member mounted thereon, with the concealing member having an annular shape, with the plurality of vanes supported above the base and located within t...
1. A flame device comprising: a fluid inducing assembly including a support and a flow diverting mechanism mounted on the support, with the flow diverting mechanism including a plurality of vanes, with the plurality of vanes circumferentially disposed, with each pair of adjacent vanes including a space therebetween defining a passage which is spiral shaped, with the support including a base and a concealing member mounted thereon, with the concealing member having an annular shape, with the plurality of vanes supported above the base and located within the concealing member, with at least one gap axially formed between the base and the concealing member, with each vane having a first axial section exposed to outside via the at least one gap and not concealed by the concealing member defining a flow intake zone in communication with the at least one gap, with each vane having a second axial section encircled by the concealing member defining a flow accelerating zone, with the first axial section being axially intermediate the base and the the second axial section, with external air flowing into the flow diverting mechanism through the air intake port;a shield being annular, hollow, transparent to light, and disposed above the fluid inducing assembly, with the shield mounted to and axially extending from the concealing member; anda combustion head disposed above the flow diverting mechanism and including a mixing chamber, a flame guiding member, and a plurality of grooves, with the flame guiding member being annular and having a first end and a second end opposite to the first end with one of the first and second ends open and with another of the first and second ends enclosed, with the flame guiding member disposed in a spaced relationship and circumferentially concealing a wall delimiting the mixing chamber, with the flame guiding member located concentrically within the plurality of vanes and the shield, with the mixing chamber located concentrically within the flame guiding member, with the plurality of grooves fluidly communicating with the mixing chamber and a space between the flame guiding member and the wall delimiting the mixing chamber;wherein gas and air are directed to undergo a first mixing process in the mixing chamber and a gas and air mixture flows out of the mixing chamber to the space defined between the mixing chamber and the flame guiding member through the plurality of grooves and is mixed with air flowing in the space defined between the mixing chamber and the wall delimiting the mixing chamber to undergo a second mixing process. 2. The flame device as claimed in claim 1 further comprising a conduit surrounded within the flow diverting mechanism, wherein the conduit has a periphery including at least one orifice extended therethrough, and wherein the gas from a fuel supply device flows to the mixing chamber through the conduit and the least one orifice allows the air to flow into the conduit. 3. A flame device comprising: a fluid inducing assembly including a support and a flow diverting mechanism mounted on the support, with the flow diverting mechanism including a plurality of vanes, with the plurality of vanes circumferentially disposed, with each pair of adjacent vanes including a space therebetween defining a passage which is spiral shaped, with the support including a concealing member mounted thereon and having an enclosed circumferential edge, with each vane having a first section exposed to outside and not concealed by the concealing member defining a flow intake zone, with each vane having a second section encircled by the concealing member defining a flow accelerating zone, with the support and the flow diverting mechanism including an air intake port disposed therebetween, with external air flowing into the flow diverting mechanism through the air intake port;a shield being hollow and transparent to light and disposed above the fluid inducing assembly;a combustion head disposed above the flow diverting mechanism and including a mixing chamber, a flame guiding member, and a plurality of grooves, with the flame guiding member having a first end and a second end opposite to the first end with one of the first and second ends open and another of the first and second ends enclosed, with the flame guiding member disposed in a spaced relationship and circumferentially concealing a wall delimiting the mixing chamber, with the plurality of grooves fluidly communicating the mixing chamber and a space between the flame guiding member and the wall delimiting the mixing chamber, wherein the combustion head includes an engaging member having a bottom side and a top side, and wherein the top side includes the plurality of grooves inset thereon; anda conduit surrounded within the flow diverting mechanism, wherein the conduit has a periphery including at least one orifice extended therethrough, and wherein the gas from a fuel supply device flows to the mixing chamber through the conduit and the least one orifice allows the air to flow into the conduit;wherein gas and air are directed to undergo a first mixing process in the mixing chamber and a gas and air mixture flows out of the mixing chamber to the space defined between the mixing chamber and the flame guiding member through the plurality of grooves and is mixed with air flowing in the space defined between the mixing chamber to undergo a second mixing process. 4. The flame device as claimed in claim 3, wherein the flow diverting mechanism includes a tube and another engaging member, wherein the tube is hollow and has an inner periphery thereof receiving the conduit, wherein the plurality of vanes is mounted on the tube, wherein the tube includes a first end thereof having a first joining end and a second end thereof having a second joining end respectively, wherein the other engaging member has an end thereof forming a third joining end fixed to the first joining end, wherein a plurality of first gaps is formed between the first and third joining ends, wherein the engaging member has an end thereof forming a fourth joining end fixed to the second joining end, wherein a plurality of second gaps is formed between the second and fourth joining ends, and wherein each vane includes two attaching ends extending in the same direction with one attaching end insertably engaged in one of the plurality of first gaps to fix to the tube and the other engaging member and with another attaching end insertably engaged in one of the plurality of second gaps to fix to the tube and the engaging member, respectively. 5. The flame device as claimed in claim 1, wherein a first imaginary axis is adapted to be radially drawn from a center of the combustion head, wherein a second imaginary axis is adapted to be drawn radially along a longitudinal direction of one of the plurality of grooves, wherein the first and second imaginary axes intersect at an angle in one groove, and wherein the angle is in a range of 10-30 degrees. 6. The flame device as claimed in claim 3, wherein the combustion head includes the top side thereof including an annular channel inset, wherein each of the plurality of grooves has a length and a width, wherein the ratio of the length to the width is in a range of 1-3 for stable guiding the gas and air mixture, wherein the flame guiding member includes a first end thereof engaged in the annular channel and a second end thereof at a height from the top side of the combustion head, wherein an exit of each of the plurality of grooves to the flame guiding member is with a distance, and wherein the ratio of the distance to the length is in the range of 1-3. 7. The flame device as claimed in claim 3, wherein the top side includes a protruded edge extended therefrom, wherein the protruded edge includes an end thereof including the plurality of grooves inset thereon, wherein the flame guiding member circumferentially conceals the protruded edge, wherein the combustion head includes a lid having a fixing edge and a projection protruded from the fixing edge, wherein the fixing edge is mounted on the end of the protruded edge, wherein each of the plurality of grooves has a top end capped by the fixing edge, wherein the projection includes a cavity formed therein and fluidly communicating with the mixing chamber and the plurality of grooves, and wherein the flame guiding member circumferentially conceals the lid. 8. The flame device as claimed in claim 3 further comprising an igniting head including an end thereof having an igniting needle, wherein the engaging member includes a first aperture extended therethrough and including the igniting head mounted therein, wherein the igniting head includes the igniting needle disposed outside the aperture, and wherein the flame guiding member includes a lateral side thereof having an ignition point disposed adjacent to and pointed at the igniting needle. 9. The flame device as claimed in claim 3, wherein the flame guiding member is insertably engaged with a cap, and wherein the cap includes a peripheral edge thereof having at least one drainage hole to prevent liquid from dripping onto the engaging member. 10. The flame device as claimed in claim 1, wherein an internal diameter of the flame guiding member and an internal diameter of the shield have a ratio in a range of 0.2-0.8 to provide an adequate flow rate. 11. The flame device as claimed in claim 6, wherein the top side includes a protruded edge extended therefrom, wherein the protruded edge includes an end thereof including the plurality of grooves inset thereon, wherein the flame guiding member circumferentially conceals the protruded edge, wherein the combustion head includes a lid having a fixing edge and a projection protruded from the fixing edge, wherein the fixing edge is mounted on the end of the protruded edge, wherein each of the plurality of grooves has a top end capped by the fixing edge, wherein the projection includes a cavity formed therein and fluidly communicating with the mixing chamber and the plurality of grooves, and wherein the flame guiding member circumferentially conceals the lid. 12. The flame device as claimed in claim 11 further comprising an igniting head including an end thereof having an igniting needle, wherein the engaging member includes a first aperture extended therethrough and including the igniting head mounted therein, wherein the igniting head includes the igniting needle disposed outside the aperture, and wherein the flame guiding member includes a lateral side thereof having an ignition point disposed adjacent to and pointed at the igniting needle. 13. The flame device as claimed in claim 12, wherein the flame guiding member is insertably engaged with a cap, and wherein the cap includes a peripheral edge thereof having at least one drainage hole to prevent liquid from dripping onto the engaging member. 14. The flame device as claimed in claim 13, wherein an internal diameter of the flame guiding member and an internal diameter of the shield have a ratio in a range of 0.2-0.8 to provide an adequate flow rate. 15. The flame device as claimed in claim 14, wherein a first imaginary axis is adapted to be radially drawn from a center of the combustion head, wherein a second imaginary axis is adapted to be drawn radially along a longitudinal direction of one of the plurality of grooves, wherein the first and second imaginary axes intersect at an angle in one groove, and wherein the angle is in a range of 10-30 degrees. 16. The flame device as claimed in claim 15, wherein the flow diverting mechanism includes a tube and another engaging member, wherein the tube is hollow and has an inner periphery thereof receiving the conduit, wherein the plurality of vanes is mounted on the tube, wherein the tube includes a first end thereof having a first joining end and a second end thereof having a second joining end respectively, wherein the other engaging member has an end thereof forming a third joining end fixed to the first joining end, wherein a plurality of first gaps is formed between the first and third joining ends, wherein the engaging member has an end thereof forming a fourth joining end fixed to the second joining end, wherein a plurality of second gaps is formed between the second and fourth joining ends, and wherein each vane includes two attaching ends extending in the same direction with one attaching end insertably engaged in one of the plurality of first gaps to fix to the tube and the other engaging member and with another attaching end insertably engaged in one of the plurality of second gaps to fix to the tube and the engaging member, respectively. 17. The flame device as claimed in claim 8, wherein the flame guiding member is insertably engaged with a cap, and wherein the cap includes a peripheral edge thereof having at least one drainage hole to prevent liquid from dripping onto the second engaging member. 18. The flame device as claimed in claim 17, wherein a first imaginary axis is adapted to be radially drawn from a center of the combustion head, wherein a second imaginary axis is adapted to be drawn radially along a longitudinal direction of one of the plurality of grooves, wherein the first and second imaginary axes intersect at an angle in one groove, and wherein the angle is in a range of 10-30 degrees. 19. The flame device as claimed in claim 18, wherein the combustion head includes the top side thereof including an annular channel inset, wherein each of the plurality of grooves has a length and a width, wherein the ratio of the length to the width is in a range of 1-3 for stable guiding the gas and air mixture, wherein the flame guiding member includes a first end thereof engaged in the annular channel and a second end thereof at a height from the top side of the combustion head, wherein an exit of each of the plurality of grooves to the flame guiding member is with a distance, and wherein the ratio of the distance to the length is in the range of 1-3. 20. The flame device as claimed in claim 19, wherein an internal diameter of the flame guiding member and an internal diameter of the shield have a ratio in a range of 0.2-0.8 to provide an adequate flow rate.
