CN217389999U

CN217389999U - Adjusting assembly for aerosol generating device and aerosol generating device

Info

Publication number: CN217389999U
Application number: CN202123272821.5U
Authority: CN
Inventors: 杨小明; 朱旦
Original assignee: Shenzhen Woody Vapes Technology Co Ltd
Current assignee: Shenzhen Woody Vapes Technology Co Ltd
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2022-09-09
Anticipated expiration: 2031-12-23

Abstract

The embodiment of the application belongs to the technical field of aerosol, a regulating assembly for aerosol generating device is related to, including mounting and regulating part, the regulating part rotate connect in the mounting just the one end of regulating part is equipped with the one end of air inlet with aerosol generating device and is connected, the mounting can be connected in the one end that aerosol generating device was equipped with the air inlet with dismantling, be equipped with a plurality of not unidimensional inlet ports on the regulating part, and each the inlet port is in the regulating part can rotate the position that communicates to the air inlet with aerosol generating device when rotating. Still relate to an aerosol generating device, including body and above-mentioned adjusting part. This application sets up the adjusting part through the one end that is equipped with the air inlet at the body, is equipped with the inlet port of a plurality of different diameter sizes on the adjusting part, rotates the adjusting part and makes the inlet port of different diameter sizes and air inlet intercommunication in order to realize the regulation to air inflow time air flow.

Description

Adjusting assembly for aerosol generating device and aerosol generating device

Technical Field

The present application relates to the field of aerosol technology, and more particularly, to a regulating assembly for an aerosol generating device and an aerosol generating device.

Background

When the aerosol generating device is used, power is supplied to the atomizing core through the power supply device, and the heating component in the atomizing core heats the aerosol substrate to atomize the aerosol substrate so as to form aerosol for the user to inhale.

The existing aerosol generating device is generally provided with an air inlet on a side wall or a bottom part to provide air flow to the inside of the aerosol generating device, however, the air flow during air inlet cannot be adjusted, and the use requirement of a user cannot be met.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the embodiment of the application is how to realize the adjustable air flow of the intake air.

In order to solve the above technical problem, an embodiment of the present application provides an adjusting assembly for an aerosol generating device, which adopts the following technical solutions:

the utility model provides an adjusting part for aerosol production device, includes mounting and regulating part, the regulating part rotate connect in the mounting just the one end of regulating part is connected with the one end that aerosol production device was equipped with the air inlet, the mounting can connect in the one end that aerosol production device was equipped with the air inlet with dismantling, be equipped with a plurality of not unidimensional inlet ports on the regulating part, and each the inlet port is in the regulating part can rotate the position that communicates to the air inlet with aerosol production device when rotating.

Furthermore, the adjusting piece comprises a rotating piece and a sealing piece, one end of the sealing piece is fixed on the rotating piece, and the other end of the sealing piece is connected to one end, provided with an air inlet, of the aerosol generating device; the air inlet sets up in on the sealing member, and each the air inlet is followed the circumference interval arrangement of sealing member, be equipped with a plurality of bleeder vents on the rotation piece, the air inlet with the bleeder vent intercommunication.

Furthermore, the adjusting piece also comprises a protective layer, the protective layer is positioned between the rotating piece and the sealing piece, and the protective layer is a waterproof and breathable layer.

In order to solve the above technical problem, an embodiment of the present application further provides an aerosol generating device, which adopts the following technical scheme:

an aerosol generating device comprises a body and the adjusting assembly, wherein an airflow channel is arranged in the body, an air outlet is formed in one end of the body, an air inlet is formed in the other end of the body, and the adjusting assembly is connected to one end, provided with the air inlet, of the body.

Further, the aerosol generating device still includes oil storage bin and oiling stopper, the body is close to adjusting part's one end is equipped with the oil filler point, the oil storage bin set up in this internal and with the oil filler point intercommunication, the oiling stopper is located in the oil filler point.

Furthermore, the body is internally provided with a condensate prevention part, one end of the condensate prevention part is connected to the body, the other end of the condensate prevention part is obliquely arranged towards the direction close to the adjusting component, and the condensate prevention part is used for preventing liquid from flowing out of the air outlet.

Furthermore, the aerosol generating device also comprises a power supply and control assembly, and the power supply and control assembly is arranged at one end, far away from the air inlet, in the body; the power supply and control assembly comprises a power supply and a mainboard, and the power supply is electrically connected to the mainboard.

Furthermore, the aerosol generating device further comprises a first heating assembly, the first heating assembly is arranged in the main body and is positioned at one end close to the adjusting assembly, the first heating assembly is electrically connected to the main board, and the first heating assembly is used for atomizing condensate.

Furthermore, the aerosol generating device also comprises a second heating component, the second heating component is arranged in the body and is positioned at one end close to the regulating component, and the second heating component is electrically connected to the mainboard; the second heating element includes the second heat-generating body and connect in the oil absorption of second heat-generating body is cotton, the oil absorption is cotton to be close to the one end protrusion of adjusting part in the second heat-generating body.

Furthermore, a liquid collecting groove is further formed in the body and is located at one end, close to the adjusting assembly, of the liquid collecting groove and is located in the airflow channel.

The aerosol generating device that this embodiment provided sets up adjusting part at the one end that the body was equipped with the air inlet, and adjusting part includes mounting and regulating part, is equipped with the inlet port of a plurality of different diameter sizes on the regulating part, and each inlet port homoenergetic rotates to the position with the air inlet intercommunication, and the mounting is fixed the regulating part in the one end that the body was equipped with the air inlet. When the user breathes in, in the inlet port entering body of outside air process regulating part's inlet port, rotate the regulating part so that the inlet port and the air inlet intercommunication of different diameter sizes, the realization is to the regulation by oneself of air flow when admitting air, satisfies user's demand. Still set up the oil filler point in the body one end that is close to adjusting part, oil filler plug and sealing washer cooperation prevent the fluid leakage with the oil filler point shutoff, and simultaneously, the oil filler plug is sheltered from by adjusting part and is hidden, can avoid appearing making the oil filler plug to drop the condition that leads to the oil leak because of the maloperation. The embodiment also arranges the condensation preventing part for blocking the airflow in the airflow channel, so that the aerosol can be blocked or delayed to be discharged, partial incompletely atomized liquid is prevented from being sucked into a user's mouth, the contact time between the condensation preventing part and the airflow is prolonged, and the heat dissipation effect is achieved.

Drawings

In order to illustrate the solution of the present application more clearly, the drawings that are needed in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and that other drawings can be obtained by those skilled in the art without inventive effort.

Fig. 1 is a schematic structural diagram of an aerosol-generating device provided in an embodiment of the present application;

FIG. 2 is a schematic gas flow diagram of the aerosol generating device of FIG. 1;

fig. 3 is an exploded view of the aerosol generating device shown in fig. 1.

Reference numerals: 100. an aerosol generating device; 1. a body; 11. an air outlet; 12. an air inlet; 13. an oil filler hole; 2. an adjustment assembly; 21. a fixing member; 22. an adjustment member; 221. a rotating member; 2211. air holes are formed; 222. a seal member; 2221. an air inlet; 3. an oil storage bin; 4. an oil filling plug; 41. a seal ring; 5. a condensate prevention member; 6. a first heating assembly; 61. a first heat generating body; 62. liquid absorbing cotton; 7. a second heating assembly; 71. a second heating element; 72. oil absorbing cotton; 8. a liquid collecting tank; 9. a power supply and control assembly; 91. a power source; 92. a main board.

Detailed Description

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "including" and "having," and any variations thereof, in the description and claims of this application and the description of the above figures are intended to cover non-exclusive inclusions. The terms "first," "second," and the like in the description and claims of this application or in the foregoing drawings are used for distinguishing between different objects and not for describing a particular sequential order.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein may be combined with other embodiments.

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings.

Referring to fig. 3, the present embodiment provides an adjusting assembly 2 for an aerosol generating device 100, which includes a fixing member 21 and an adjusting member 22, wherein the adjusting member 22 is rotatably connected in the fixing member 21, one end of the adjusting member 22 is connected to one end of the aerosol generating device 100, which is provided with an air inlet 12, the fixing member 21 is detachably connected to one end of the aerosol generating device 100, which is provided with the air inlet 12, a plurality of air inlets 2221 with different sizes are formed in the adjusting member 22, and each air inlet 2221 can rotate to a position communicated with the air inlet 12 of the aerosol generating device 100 when the adjusting member 22 rotates.

The aerosol generating device 100 provided in this embodiment is provided with the adjusting assembly 2 at the end provided with the air inlet 12, the adjusting assembly 2 includes a fixing member 21 and an adjusting member 22, the adjusting member 22 is provided with a plurality of air inlets 2221 with different sizes, each air inlet 2221 can rotate to the position communicated with the air inlet 12 when the adjusting member 22 rotates, and the fixing member 21 fixes the adjusting member 22 at the end provided with the air inlet 12 of the aerosol generating device 100. When a user inhales, outside air enters the air inlet 12 of the aerosol generating device 100 through the air inlet holes 2221 of the adjusting piece 22, and the adjusting piece 22 is rotated to enable the air inlet holes 2221 with different sizes to be communicated with the air inlet 12, so that the air flow can be automatically adjusted during air intake, and the user requirements are met.

The adjusting member 22 includes a rotating member 221 and a sealing member 222, one end of the sealing member 222 is fixed to the rotating member 221, and the other end of the sealing member 222 is connected to the end of the aerosol generating device 100 where the air inlet 12 is disposed. The air inlet holes 2221 are disposed on the sealing member 222, and the air inlet holes 2221 are arranged at intervals along the circumferential direction of the sealing member 222, the rotating member 221 is provided with a plurality of air holes 2211, and the air inlet holes 2221 are communicated with the air holes 2211.

In the present embodiment, the rotating member 221 and the sealing member 222 are bonded together, the air holes 2211 are communicated with the air inlet holes 2221, and one end of the sealing member 222 opposite to the rotating member 221 abuts against one end of the aerosol generating device 100 provided with the air inlet 12, so that only one air inlet hole 2221 on the sealing member 222 is communicated with the air inlet 12. The air inlets 2221 are arranged along the circumferential direction of the sealing member 222 at intervals, and when the air inlet valve is used, the rotating member 221 is rotated along the circumferential direction of the sealing member 222 to drive the sealing member 222 to rotate, so that the air inlets 2221 with different diameters can be communicated with the air inlet 12, and the air flow rate can be automatically adjusted during air inlet.

In some possible embodiments, a shield can also be provided on the seal 222, which can be rotated to a position opposite the inlet port 12 to block the inlet port 12. When it is desired to use, the regulating member 22 is rotated to open the air inlet 12, and the user can use the aerosol-generating device 100 normally; when use is complete, the user can turn the adjuster 22 so that the shield blocks the air inlet 12. The aerosol generating device 100 can be used normally only by rotating the adjusting member 22 to open the air inlet 12, thereby effectively preventing children from misuse.

Further, the adjusting member 22 further includes a protective layer, which is located between the rotating member 221 and the sealing member 222, and the protective layer is a waterproof and breathable layer. In this embodiment, the protective layer may be made of a waterproof and breathable film or a fiber material, which plays a role of waterproof and breathable.

Referring to fig. 1-3, an aerosol generating device 100 is further provided in an embodiment of the present application, which includes a main body 1 and an adjusting assembly 2, wherein an air flow channel is disposed in the main body 1, the air flow channel forms an air outlet 11 at one end of the main body 1, and forms an air inlet 12 at the other end of the main body 1, and the adjusting assembly 2 is connected to one end of the main body 1 close to the air inlet 12.

The aerosol generating device 100 provided by this embodiment has an adjusting assembly 2 at one end of the body 1 where the air inlet 12 is disposed, the adjusting assembly 2 includes a fixing member 21 and an adjusting member 22, the adjusting member 22 is provided with a plurality of air inlets 2221 with different sizes, each air inlet 2221 can rotate to a position communicated with the air inlet 12 when the adjusting member 22 rotates, and the fixing member 21 fixes the adjusting member 22 at one end of the body 1 where the air inlet 12 is disposed. When a user inhales, outside air enters the air inlet 12 of the body 1 through the air inlet holes 2221 of the adjusting piece 22, the adjusting piece 22 is rotated to enable the air inlet holes 2221 with different sizes to be communicated with the air inlet 12, so that the air flow can be automatically adjusted during air inlet, and the requirements of the user are met.

In one embodiment, the fixing member 21 can be sleeved on the body 1 and can abut the adjusting member 22 on the body 1. The air intake holes 2221 may have a triangular shape, a circular shape, or other irregular shapes, and in this embodiment, the air intake holes 2221 have a circular shape, and a plurality of air intake holes 2221 having different diameters are provided in the regulating member 22.

Aerosol generating device 100 still includes oil storage bin 3 and oiling stopper 4, and the one end that body 1 is close to adjusting part 2 is equipped with oil filler point 13, and oil storage bin 3 sets up in body 1 and communicates with oil filler point 13, and oiling stopper 4 is located oil filler point 13. Further, a seal ring 41 is provided on the outer periphery of the filler plug 4, and the outer periphery of the seal ring 41 abuts against the inner wall of the filler hole 13.

In this embodiment, the oil storage bin 3 is arranged around the inner wall of the body 1 and extends along the length direction of the body 1, so that the oil storage bin 3 has large capacity, the service life after single oil injection can be prolonged, and the number of times of repeated oil injection is reduced. Oil filler point 13 sets up the one end that is close to adjusting part 2 at body 1, and oil filler point 13 shutoff is prevented to oil filler plug 4 and the cooperation of sealing washer 41, and oil filler plug 4 is still sheltered from by adjusting part 2 and is hidden, avoids making oil filler plug 4 drop because of the maloperation and leads to the oil leak.

The oil injection process of the aerosol generating device 100 is specifically as follows: firstly, the fixing part 21 in the adjusting component 2 is disassembled, then the adjusting part 22 is taken down, and then the oil filling plug 4 is pulled out and oil is filled into the oil storage bin 3 through the oil filling hole 13; after the oil injection is finished, the oil injection plug 4 is inserted into the oil injection hole 13, the adjusting piece 22 abuts against the body 1, and finally the fixing piece 21 is sleeved on the body 1 to fix the adjusting piece 22, so that the oil injection is finished.

The aerosol generating device 100 further comprises a power supply and control assembly 9, wherein the power supply and control assembly 9 is disposed at one end of the body 1 far away from the air inlet 12. The power supply and control assembly 9 includes a power supply 91 and a main board 92, and the power supply 91 is electrically connected to the main board 92. The power supply 91 is used for supplying power to the heating assembly, and the main board 92 is used for controlling the operation of the heating assembly.

The aerosol generating device 100 further comprises a first heating assembly 6, the first heating assembly 6 is disposed in the body 1 and located at one end close to the adjusting assembly 2, the first heating assembly 6 is electrically connected to the main board 92, and the first heating assembly 6 is used for atomizing the condensate.

Specifically, the first heating assembly 6 comprises a first heating body 61 and liquid absorption cotton 62 connected to the first heating body 61, the liquid absorption cotton 62 is located in the air flow channel, the liquid absorption cotton 62 is used for absorbing condensate generated by the aerosol generating device 100 in the using process, then the condensate in the liquid absorption cotton 62 is heated by the first heating body 61 to be evaporated, and finally the condensate is discharged from the air outlet 11 through the air flow channel, so that the condensate is removed.

The aerosol generating device 100 further comprises a second heating element 7, the second heating element 7 is disposed in the body 1 and located at one end close to the adjusting element 2, and the second heating element 7 is electrically connected to the main board 92. The second heating assembly 7 comprises a second heating body 71 and an oil absorption cotton 72 connected to the second heating body 71, wherein one end of the oil absorption cotton 72 close to the adjusting assembly 2 protrudes out of the second heating body 71.

Specifically, one end of the oil absorption cotton 72 is in contact with oil in the oil storage bin 3, the other end of the oil absorption cotton is connected to the second heating element 71, and the oil in the oil absorption cotton 72 is heated by the second heating element 71 to be atomized, so that aerosol is generated and is supplied to a user to suck. As shown in fig. 1, the bottom end of the oil absorption cotton 72 protrudes from the bottom end of the second heating element 71, and it can be understood that when the amount of oil in the oil storage bin 3 is too small, a user needs to fill oil, and at this time, a small amount of oil is supplied to the second heating element 71 through the bottom end of the oil absorption cotton 72, so as to prevent the second heating element 71 from being damaged by burning.

In this embodiment, the first heating element 6 may be disposed on the top of the second heating element 7, or may be disposed on the bottom of the second heating element 7, and the positions of the first heating element 6 and the second heating element 7 are not limited. The first heating assembly 6 and the second heating assembly 7 are controlled by the main board 92 in the power supply and control assembly 9 and can work independently, the first heating assembly 6 can work in the using process of the aerosol generating device 100, and the second heating assembly 7 can work when a user sucks the aerosol, so that the first heating assembly 6 and the second heating assembly 7 do not interfere with each other. Meanwhile, since the amount of condensate generated during use of the aerosol-generating device 100 is small, a heating body having low power may be used for the first heating member 6.

Still be equipped with the collecting tank 8 in the body 1, the collecting tank 8 is located the one end that is close to adjusting part 2, and is located the air current passageway.

In the embodiment, the liquid collecting tank 8 is arranged at the bottom of the second heating assembly 7 and is used for collecting condensate generated when the second heating assembly 7 works and oil leaked from the oil storage bin 3 through the second heating assembly 7.

Still be equipped with in the body 1 and prevent condensate spare 5, prevent that the one end of condensate spare 5 connects in body 1, and the other end sets up towards the direction slope that is close to adjusting part 2, prevents that condensate spare 5 is used for preventing liquid from flowing out from gas outlet 11.

In this embodiment, the anti-condensation liquid member 5 is disposed in a direction blocking the airflow, so as to block or delay the discharge of the aerosol, and prevent a part of the liquid that is not completely atomized from being inhaled by the user. And the anti-condensation liquid piece 5 can be made of metals such as copper and aluminum, and has a heat dissipation effect on the air flow, the anti-condensation liquid piece 5 blocks the air flow to flow, the contact time of the anti-condensation liquid piece 51 and the air flow is prolonged, and the heat dissipation effect is improved. Meanwhile, the condensation preventing piece 51 is integrally arranged in the direction of blocking the air flow, so that the noise reduction effect is achieved, and the air flow sound is reduced.

When a user inhales, the flow process of the gas is as follows: as shown in fig. 2, the external air flows to the top of the first heating assembly 6 through the air holes 2211, the air inlet holes 2221 and the air inlet 12 in sequence, then the air flows downwards and flows to the liquid collecting tank 8 through the first heating assembly 6 and the second heating assembly 7 in sequence, the liquid collecting tank 8 divides the air flow to the two sides, then the air flow flows upwards, and finally the air flow flows out from the air outlet 11 through the condensate prevention member 5.

It can be understood that the liquid collecting tank 8 and the gas outlet 11 are respectively arranged at two ends of the body 1, which are opposite to each other, and the distance from the liquid collecting tank 8 to the gas outlet 11 is longer, so that the condition that oil in the liquid collecting tank 8 flows out from the gas outlet 11 can be avoided.

The aerosol generating device 100 provided by this embodiment sets up the adjusting part 2 at the one end that the body 1 is equipped with the air inlet 12, and the adjusting part 2 includes mounting 21 and adjusting part 22, is equipped with a plurality of inlet holes 2221 of different diameter sizes on the adjusting part 22, and each inlet hole 2221 homoenergetic rotates to the position with the air inlet 12 intercommunication, and mounting 21 fixes adjusting part 22 in the one end that the body 1 is equipped with air inlet 12. When a user inhales, outside air enters the air inlet 12 of the body 1 through the air inlet holes 2221 of the adjusting piece 22, the adjusting piece 22 is rotated to enable the air inlet holes 2221 with different diameters to be communicated with the air inlet 12, so that the air flow can be automatically adjusted during air inlet, and the requirements of the user are met. Still set up oil filler point 13 in the body 1 one end that is close to adjusting part 2, oil filler plug 4 and the cooperation of 41 with the shutoff of oil filler point 13 prevent that fluid from leaking, simultaneously, oil filler plug 4 is sheltered from by adjusting part 2 and is hidden, can avoid appearing making oil filler plug 4 to drop the condition that leads to the oil leak because of the maloperation. The embodiment also arranges the condensation preventing part for blocking the airflow in the airflow channel, so that the aerosol can be blocked or delayed to be discharged, partial incompletely atomized liquid is prevented from being sucked into a user's mouth, the contact time between the condensation preventing part and the airflow is prolonged, and the heat dissipation effect is achieved.

It is to be understood that the above-described embodiments are merely illustrative of some, but not restrictive, of the broad invention, and that the appended drawings illustrate preferred embodiments of the invention and do not limit the scope of the invention. This application is capable of embodiments in many different forms and is provided for the purpose of enabling a thorough understanding of the disclosure of the application. Although the present application has been described in detail with reference to the foregoing embodiments, it will be apparent to one skilled in the art that the present application may be practiced without modification or with equivalents of some of the features described in the foregoing embodiments. All equivalent structures made by using the contents of the specification and the drawings of the present application are directly or indirectly applied to other related technical fields, and all the equivalent structures are within the protection scope of the present application.

Claims

1. The utility model provides an adjusting part for aerosol generating device, its characterized in that includes mounting and regulating part, the regulating part rotate connect in the mounting just the one end of regulating part is connected with the one end that aerosol generating device was equipped with the air inlet, the mounting can connect in the one end that aerosol generating device was equipped with the air inlet with dismantling, be equipped with a plurality of not unidimensional inlet ports on the regulating part, and each the inlet port is in the regulating part can rotate the position of air inlet intercommunication to with aerosol generating device when rotating.

2. An adjustment assembly according to claim 1, wherein the adjustment member comprises a rotatable member and a sealing member, one end of the sealing member being fixed to the rotatable member and the other end of the sealing member being connected to the end of the aerosol generating device at which the air inlet is provided; the air inlet holes are arranged on the sealing element, the air inlet holes are arranged along the circumferential direction of the sealing element at intervals, a plurality of air holes are formed in the rotating element, and the air inlet holes are communicated with the air holes.

3. A regulating assembly for an aerosol-generating device according to claim 2, wherein the regulating member further comprises a protective layer located between the rotating member and the sealing member, the protective layer being a waterproof and breathable layer.

4. An aerosol generating device comprising a body having an air flow passage therein defining an air outlet at one end of the body and an air inlet at the other end of the body, and an adjustment assembly according to any one of claims 1 to 3 connected to the end of the body at which the air inlet is provided.

5. An aerosol generating device according to claim 4, further comprising a reservoir and a filler plug, wherein a filler hole is provided at an end of the body adjacent to the adjustment assembly, the reservoir is disposed in the body and is in communication with the filler hole, and the filler plug is located in the filler hole.

6. An aerosol generating device according to claim 4, wherein a condensation preventing member is further provided in the body, one end of the condensation preventing member is connected to the body, and the other end of the condensation preventing member is inclined toward the direction close to the adjustment assembly, and the condensation preventing member is configured to prevent the liquid from flowing out of the air outlet.

7. An aerosol generating device according to claim 4, further comprising a power and control assembly disposed at an end of the body remote from the air inlet; the power supply and control assembly comprises a power supply and a mainboard, and the power supply is electrically connected to the mainboard.

8. An aerosol generating device according to claim 7, further comprising a first heating element disposed within the body and located proximate to one end of the regulating assembly, the first heating element being electrically connected to the main plate, the first heating element being configured to atomize the condensate.

9. An aerosol generating device according to claim 7, further comprising a second heating element disposed within the body and located proximate to one end of the regulating assembly, the second heating element being electrically connected to the main board; the second heating element includes the second heat-generating body and connect in the oil absorption of second heat-generating body is cotton, the oil absorption is cotton to be close to the one end protrusion of adjusting part in the second heat-generating body.

10. An aerosol generating device according to claim 4, wherein a sump is further provided in the body, the sump being located adjacent one end of the regulating assembly and within the airflow passage.