JPWO2019129639A5

JPWO2019129639A5 -

Info

Publication number: JPWO2019129639A5
Application number: JP2020536532A
Authority: JP
Publication date: 2022-11-18
Anticipated expiration: 2038-12-20

Claims

An induction heating assembly for a steam generating device , said induction heating assembly comprising:
an induction coil ;
a heating compartment positioned to receive an induction heatable cartridge ;
a first electromagnetic shield layer disposed outside the induction coil ;
a second electromagnetic shield layer disposed outside the first electromagnetic shield layer;
including
An induction heating assembly wherein the first and second electromagnetic shield layers differ in one or both of electrical conductivity and magnetic permeability .

one of the electromagnetic shield layers comprising a ferrimagnetic, non-conductive material;
2. The induction heating assembly of claim 1, wherein the other of said electromagnetic shield layers comprises an electrically conductive material .

wherein the first electromagnetic shield layer comprises a ferrimagnetic, non-conductive material;
2. The induction heating assembly of Claim 1 , wherein said second electromagnetic shield layer comprises an electrically conductive material .

An induction heating assembly according to any preceding claim, wherein there is no conductive material between the induction coil and the first electromagnetic shield layer .

further comprising a first insulating layer positioned between said induction coil and said first electromagnetic shield layer , said first insulating layer being substantially non-conductive and having a relative permeability substantially equal to one; The induction heating assembly according to any one of claims 1 to 4, having magnetism .

6. The induction heating assembly of claim 5, further comprising an air passageway from the air inlet to the heating compartment, the air passageway forming at least a portion of the first insulating layer .

The induction heating assembly of any one of claims 1-6, further comprising a housing including the second electromagnetic shield layer .

around the induction coil at both first and second axial ends of the induction coil such that one or both of the first and second electromagnetic shield layers substantially surrounds the induction coil ; The induction heating assembly according to any one of claims 1 to 7, wherein the induction heating assembly is arranged circumferentially in the .

the induction heating assembly further comprising an intake passage extending between the heating section and an air outlet at a first axial end of the induction heating assembly ;
a portion of the intake passage extends in a direction substantially perpendicular to the axial direction between the heating section and the air outlet ;
One or both of the first and second electromagnetic shield layers of the suction passage such that the first axial end of the induction coil is substantially covered by one or both of the electromagnetic shield layers. 9. The induction heating assembly of claim 8, extending adjacent the portion .

10. Any one of claims 1-9, further comprising a shield coil positioned within the first or second electromagnetic shield layer at one or both of the first and second axial ends of the induction coil . An induction heating assembly as described in .

An induction heating assembly as claimed in any preceding claim, further comprising an outer housing layer surrounding the first and second electromagnetic shield layers .

An induction heating assembly for a steam generating device , said induction heating assembly comprising:
an induction coil ;
a heating compartment positioned to receive an induction heatable cartridge ;
an electromagnetic shield layer disposed outside the induction coil, the electromagnetic shield layer comprising a ferrimagnetic, non-conductive material;
A first insulating layer positioned between the induction coil and the electromagnetic shield layer, the first insulating layer comprising a material that is substantially non-conductive and has a relative magnetic permeability substantially equal to one. insulating layer and
an induction heating assembly comprising:

An induction heating assembly according to any preceding claim, further comprising a second insulating layer that is substantially non-conductive and has a relative magnetic permeability less than or substantially equal to one .

14. The induction heating assembly of claim 13, wherein a portion of said second insulating layer , in use, is between said induction coil and vaporizable material within said induction heatable cartridge .

A steam generating device comprising:
an induction heating assembly according to claim 12 ;
an air inlet positioned to provide air to the heating compartment ;
an air outlet in communication with the heating section ;
a steam generating device including;

6. The induction heating assembly of Claim 5, wherein said first insulating layer comprises air.

14. The induction heating assembly of Claim 13, wherein the second insulating layer comprises a plastic material.

A steam generating device comprising:
An induction heating assembly according to claim 1;
an air inlet positioned to provide air to the heating compartment;
an air outlet in communication with the heating section;
a steam generating device including;