WO2022077757A1 - Smoke guide pipe of combination stove and combination stove having same - Google Patents

Abstract

A smoke guide pipe (1) of a combination stove and a combination stove provided with same, wherein an air inlet (10) and an air outlet (20) are provided on the smoke guide pipe (1) of the combination stove; a drain port (30) is provided on the bottom wall of the smoke guide pipe (1); the front end of the bottom wall of the smoke guide pipe (1) is lower than the rear end; and the drain port (30) is formed at the front end of the bottom wall of the smoke guide pipe (1).

Description

Smoking pipe of combined stove and combined stove with the same

CROSS-REFERENCE TO RELATED APPLICATIONS

This application is based on the Chinese patent application with the application number of 202011091198.0 and the application date of October 13, 2020, and claims the priority of the Chinese patent application. The entire content of the Chinese patent application is incorporated herein by reference.

technical field

The present application relates to the technical field of electrical appliance manufacturing, and in particular, to a smoke duct of a combined stove and a combined stove having the smoke duct of the combined stove.

Background technique

The smoke duct of the combined stove in the related art is provided with a water collecting structure at the filter screen to collect the condensed water at the filter screen, but the collection of the condensed water is not complete, which affects the collection effect of the condensed water.

SUMMARY OF THE INVENTION

The present application aims to solve at least one of the technical problems existing in the prior art. To this end, the present application proposes a smoke guide pipe of a combined stove, which can collect water condensed on the inner wall of the smoke guide pipe, and has the advantages of good water collection effect, low noise, and small airflow resistance.

The present application also proposes a combined stove with a smoke guide tube of the combined stove.

In order to achieve the above object, according to an embodiment of the first aspect of the present application, a smoke guide pipe of a combined stove is provided. The smoke guide pipe of the combined stove is provided with an air inlet and an air outlet, and a bottom wall of the smoke guide pipe is provided. A drain port is provided on the top, the front end of the bottom wall of the smoke guide pipe is lower than the rear end, and the drain port is formed at the front end of the bottom wall of the smoke guide pipe.

According to the smoke guide pipe of the combined stove according to the embodiment of the present application, the water condensed on the inner wall of the smoke guide pipe can be collected, and has the advantages of good water collection effect, low noise and small airflow resistance.

In addition, the smoke duct of the combined stove according to the above embodiments of the present application may also have the following additional technical features:

According to an embodiment of the present application, the air inlet is formed on the top wall of the smoke guide pipe and is disposed adjacent to the front end of the smoke guide pipe, and the air outlet is formed on the rear wall of the smoke guide pipe.

According to an embodiment of the present application, the bottom wall of the smoke guide pipe extends upwards obliquely from front to back.

According to an embodiment of the present application, the minimum angle between the bottom wall of the smoke pipe and the horizontal plane is greater than 1 degree.

According to an embodiment of the present application, the minimum angle between the bottom wall of the smoke pipe and the horizontal plane is 3-5 degrees.

According to an embodiment of the present application, the front wall and the bottom wall of the smoke guide pipe are connected by an arc-shaped wind guide surface.

According to an embodiment of the present application, the front wall of the smoke guide pipe is an arc-shaped plate, and the width of the arc-shaped air guide surface in the horizontal direction gradually decreases from back to front.

According to an embodiment of the present application, the connection between the side wall and the bottom wall of the smoke guide pipe transitions in an arc.

According to an embodiment of the present application, the air inlet is provided with a sealing edge extending outward, and the sealing edge is arranged around the air inlet.

According to an embodiment of the present application, the inner wall surface of the smoke guide pipe is covered with sound-absorbing cotton.

According to an embodiment of the present application, the smoke guide pipe of the combined stove further includes an air outlet pipe, and the air outlet pipe is connected at the air outlet.

According to an embodiment of the present application, the air outlet duct includes a horizontal section connected with the smoke duct and a vertical section connected with the rear end of the horizontal section, and the horizontal section and the vertical section are in arc transition.

According to an embodiment of the present application, the cross-sectional area of the lower end of the vertical segment is greater than the cross-sectional area of the upper end of the vertical segment.

According to an embodiment of the present application, the air outlet is plug-fitted with the air outlet pipe.

According to an embodiment of the second aspect of the present application, a combined stove is provided, the combined stove includes the smoke guide tube of the combined stove according to the embodiment of the first aspect of the present application.

The combined stove according to the embodiment of the present application has the advantages of good water collection effect, low noise and good smoke exhaust effect by using the smoke guide pipe of the combined stove according to the embodiment of the first aspect of the present application.

Additional aspects and advantages of the present application will be set forth, in part, from the following description, and in part will become apparent from the following description, or may be learned by practice of the present application.

Description of drawings

The above and/or additional aspects and advantages of the present application will become apparent and readily understood from the following description of embodiments in conjunction with the accompanying drawings, wherein:

FIG. 1 is a cross-sectional view of a smoke guide pipe, an air outlet pipe and a cooktop panel of a combined cooker according to an embodiment of the present application.

FIG. 2 is a schematic structural diagram of a smoke duct of a combined stove according to an embodiment of the present application.

3 is a schematic structural diagram of a smoke guide pipe, an air outlet pipe and a cooktop panel of a combined cooker according to an embodiment of the present application

Reference numerals: smoke guide pipe 1, air inlet 10, sealing edge 11, air outlet 20, drain port 30, drain pipe 31, arc-shaped air guide surface 40, positioning rib 50, support rib 51, air outlet pipe 2, horizontal Section 210 , vertical section 220 , gradually expanding section 221 , straight section 222 , cooktop panel 3 .

Detailed ways

This application is made based on the inventor's findings and knowledge of the following facts and problems:

In the air duct of the combined stove in the related art, the water collecting structure provided at the filter screen can only collect the condensed water on the filter screen, but the flue gas will also condense in the air duct during the flow process, resulting in the air guide. The inner wall of the pipe produces condensed liquid water, and the water collecting structure located at the filter screen cannot collect the condensed water on the inner wall of the air duct, which affects the collection effect of the condensed water.

In addition, the air duct of the combined stove in the related art, because the water collecting structure is located at the filter screen, the airflow is easily disturbed by the water collecting structure when passing through the water collecting structure, and complex eddy currents are generated. It affects the comfort of the user when using it, and on the other hand, it will generate a large airflow resistance.

The following describes in detail the embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, but should not be construed as a limitation on the present application.

In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", " Rear, Left, Right, Vertical, Horizontal, Top, Bottom, Inner, Outer, Clockwise, Counterclockwise, Axial, The orientations or positional relationships indicated by "radial direction", "circumferential direction", etc. are based on the orientations or positional relationships shown in the accompanying drawings, which are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying the indicated devices or elements. It must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as a limitation of the present application. Furthermore, features delimited with "first", "second" may expressly or implicitly include one or more of that feature. In the description of this application, unless stated otherwise, "plurality" means two or more.

In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection Connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be internal communication between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood in specific situations.

The smoke guide pipe 1 according to the embodiment of the present application will be described below with reference to the accompanying drawings.

As shown in FIGS. 1 to 3 , according to the embodiment of the present application, the smoke guide pipe 1 is provided with an air inlet 10 and an air outlet 20 , the bottom wall of the smoke guide pipe 1 is provided with a drain port 30 , and the bottom wall of the smoke guide pipe 1 is provided with an air outlet 30 . The front end of the duct is lower than the rear end (the up and down and front and rear directions are shown by arrows in the figure, and are only for the convenience of description, not for the limitation of the actual setting direction), and the drainage port 30 is formed at the front end of the bottom wall of the smoke pipe 1 .

According to the smoke guide pipe 1 of the embodiment of the present application, by making the front end of the bottom wall of the smoke guide pipe 1 lower than the rear end, the flue gas can be more easily concentrated on the inner wall of the smoke guide pipe 1 when condensation occurs on the inner wall of the smoke guide pipe 1. The front end of the bottom wall uses the bottom wall of the flue pipe 1 to form a collection structure for condensed water. In this way, the drainage port 30 is provided at the front end of the bottom wall of the smoke guide pipe 1, which can facilitate the discharge of the collected condensed water. Make the collection of condensed water more complete and improve the collection and discharge effect of condensed water.

In addition, since the drain port 30 is disposed at the front end of the bottom wall of the smoke guide pipe 1, the drain port 30 can be located at the lowest position of the bottom wall of the smoke guide pipe 1, so as to prevent the condensed water from being completely drained.

In addition, by using the bottom wall of the smoke guide pipe 1 itself to form a collection structure for condensed water, compared with the technical solution of additionally providing a water collection structure at the filter screen in the related art, compared with the combined stove in the related art, it is possible to avoid the airflow passing through The complex eddy current is generated during the water collecting structure, which can reduce the noise generated when the airflow passes through and improve the comfort of the user, on the other hand, it can reduce the airflow resistance and ensure the smoke exhaust effect.

Therefore, the smoke guide pipe 1 according to the embodiment of the present application can collect the water condensed on the inner wall of the smoke guide pipe, and has the advantages of good water collection effect, low noise, and small airflow resistance.

The following describes the smoke guide pipe 1 according to the specific embodiment of the present application with reference to the accompanying drawings.

In some specific embodiments of the present application, as shown in FIGS. 1 to 3 , the smoke guide pipe 1 according to the embodiment of the present application is provided with an air inlet 10 and an air outlet 20 , and the bottom wall of the smoke guide pipe 1 is provided with an air inlet 10 and an air outlet 20 . For the drainage port 30 , the front end of the bottom wall of the smoke pipe 1 is lower than the rear end, and the drainage port 30 is formed at the front end of the bottom wall of the smoke pipe 1 .

Specifically, as shown in FIGS. 1-3 , the air inlet 10 is formed on the top wall of the smoke guide pipe 1 and is disposed adjacent to the front end of the smoke guide pipe 1 , and the air outlet 20 is formed on the rear wall of the smoke guide pipe 1 . Specifically, the rear surface of the smoke guide pipe 1 is opened to form the air outlet 20 . In this way, the air inlet side of the bottom wall of the smoke guide pipe 1 can be lower than the air outlet side, which facilitates the collection of condensed water by the bottom wall of the smoke guide pipe 1, and can further reduce noise and airflow resistance.

Specifically, the air inlet 10 is suitable for connecting with the cooktop panel 3 of the combination cooktop.

The smoke guide pipe 1 further includes an air outlet pipe 2 , and the air outlet pipe 2 is connected to the air outlet 20 .

The air inlet 10 extends from the front wall of the smoke guide pipe 1 to the middle of the top wall of the smoke guide pipe 1 . In this way, it can ensure that the air inlet 10 has a sufficient size, which is convenient for airflow to flow through, reduces airflow resistance and noise, and also facilitates the bottom wall of the smoke duct 1 to collect the water entering from the air inlet 10. of condensed water.

More specifically, as shown in FIG. 1 , the bottom wall of the smoke guide pipe 1 extends upwards obliquely from front to back. Specifically, the bottom wall of the smoke guide pipe 1 extends upwardly and obliquely along the airflow direction. In this way, it is further convenient to guide the condensed water to the front end of the bottom wall of the flue duct 1, which further facilitates the collection and discharge of the condensed water, and can further reduce noise and airflow resistance.

Those skilled in the art can understand that "the bottom wall of the smoke guide pipe 1 extends obliquely" may mean that the bottom wall of the smoke guide pipe 1 extends in a straight line, or may extend in an arc surface.

In the smoke guide pipe 1 of the embodiment of the present application, it is preferable that the bottom wall of the smoke guide pipe 1 extends in an arc surface.

Optionally, the minimum angle between the bottom wall of the smoke pipe 1 and the horizontal plane is greater than 1 degree. In this way, it can be ensured that the condensed water can converge to the drain port 30 under the action of gravity, which facilitates the collection and discharge of the condensed water.

Further, the minimum angle between the bottom wall of the smoke pipe 1 and the horizontal plane is 3-5 degrees. In this way, it can be further ensured that the condensed water can converge to the drain port 30 under the action of gravity, which further facilitates the collection and discharge of the condensed water.

Advantageously, as shown in FIGS. 1-3 , the front wall and the bottom wall of the smoke guide pipe 1 are connected by an arc-shaped wind guide surface 40 . Specifically, the arc-shaped air guide surface 40 extends forward and upward gradually from the bottom wall of the smoke guide pipe 1 to the front wall of the smoke guide pipe 1 in an arc shape. In this way, the airflow can be guided through the arc-shaped air guide surface 40 after entering from the air inlet 10, so that the airflow direction can be more smoothly changed from the vertical direction to the horizontal direction when the airflow passes through, so that the airflow can flow more smoothly and avoid eddy currents. generated, reducing noise and airflow resistance.

More advantageously, as shown in FIG. 2 and FIG. 3 , the junction between the side wall and the bottom wall of the smoke guide pipe 1 transitions in a circular arc. This can further avoid eddy currents when the airflow is flowing, further reducing noise and airflow resistance.

Figures 1-3 show a smoke pipe 1 according to a specific example of the present application. As shown in FIGS. 1-3 , the air inlet 10 is provided with a sealing edge 11 extending outward, and the sealing edge 11 is arranged around the air inlet 10 . Specifically, the sealing edge 11 is adapted to cooperate with the sealing structure on the lower surface of the cooktop panel 3 of the combined cooktop. In this way, the sealing performance between the smoke duct 1 and the cooktop panel 3 can be improved.

Specifically, the inner wall surface of the smoke guide pipe 1 is covered with sound-absorbing cotton. In this way, the sound-absorbing cotton can be used to buffer the airflow and reduce the airflow resistance and the generation of noise.

Specifically, the front wall of the smoke guide pipe 1 is an arc-shaped plate. This further avoids eddy currents, further reducing noise and airflow resistance.

Further, the width of the arc-shaped wind guide surface 40 in the horizontal direction gradually decreases from back to front. In this way, the arc-shaped air guide surface 40 and the front wall of the smoke guide pipe 1 can be connected and transitioned easily, which further facilitates the air flow transition, further avoids the generation of eddy currents, and reduces noise and air flow resistance.

Specifically, the dimension of the arc-shaped wind guide surface 40 in the front-rear direction is the same as the dimension in the up-down direction. In this way, the structure of the arc-shaped air guide surface 40 can be more reasonable, and the forming and manufacture of the arc-shaped air guide surface 40 can be facilitated under the condition of ensuring the guiding effect on the airflow.

The central angle of the arc of the cross-section of the arc-shaped wind guide surface 40 in the plane parallel to the up-down and front-rear directions is 90 degrees. In this way, the structure of the arc-shaped air guide surface 40 can be more reasonable, and the forming and manufacture of the arc-shaped air guide surface 40 can be facilitated under the condition of ensuring the guiding effect on the airflow.

The center of the arc of the cross-section of the arcuate wind guide surface 40 in the plane parallel to the up-down and front-rear directions is the same height as the upper end of the arcuate wind guide surface 40 in the up-down direction. In this way, the structure of the arc-shaped air guide surface 40 can be more reasonable, and the forming and manufacture of the arc-shaped air guide surface 40 can be facilitated under the condition of ensuring the guiding effect on the airflow.

Advantageously, as shown in FIGS. 1 and 3 , the air outlet 20 is plug-fitted with the air outlet duct 2 . Specifically, the smoke guide pipe 1 is an integral piece and is inserted into the air outlet pipe 2 . This facilitates the manufacture of the smoke guide pipe 1 , facilitates the cooperative connection between the smoke guide pipe 1 and the air outlet pipe 2 , and improves the tightness of the connection between the smoke guide pipe 1 and the air outlet pipe 2 .

More advantageously, as shown in FIGS. 1 and 3 , the air outlet duct 2 may include a horizontal section 210 connected with the smoke duct 1 and a vertical section 220 connected with the rear end of the horizontal section. In this way, it is convenient for the air outlet pipe 2 to be connected to the smoke guide pipe 1 and other pipelines.

More specifically, as shown in FIG. 1 and FIG. 3 , the horizontal segment 210 and the vertical segment 220 transition in an arc. This facilitates airflow transition, further avoids eddy currents, and reduces noise and airflow resistance.

Optionally, as shown in FIGS. 1 and 3 , the cross-sectional area of the lower end of the vertical section 220 is larger than the cross-sectional area of the upper end of the vertical section 220 . In this way, the smoke exhaust structure of the combined stove can be more reasonable, and it is convenient to reduce noise and airflow resistance.

Specifically, the vertical section 220 includes a gradually expanding section 221 and a levelling section 222. The upper end of the gradually expanding section 221 is connected to the horizontal section 210, the levelling section 222 is connected to the lower end of the gradually expanding section 221, and the horizontal section of the levelling section 222 is connected. The cross-sectional area remains the same from top to bottom, and the cross-sectional area of the gradually expanding section 221 gradually increases from top to bottom. In this way, the arrangement of the air outlet duct 2 can be facilitated, and the noise and airflow resistance can be reduced.

The expanding section 221 is flush with the rear wall of the straight section 222 and the front wall of the straight section 222 protrudes forward from the expanding section 221 . In this way, the space can be fully utilized and the installation of the air outlet pipe 2 is facilitated.

A positioning rib 50 may be provided on the outer peripheral surface of the smoke guide pipe 1 , and the air outlet pipe 2 abuts against the positioning rib 50 . In this way, the connection between the air outlet pipe 2 and the smoke guide pipe 1 can be facilitated, and it is convenient to improve the sealing performance of the air outlet pipe 2 and the smoke guide pipe 1.

Further, the outer peripheral surface of the smoke guide pipe 1 is also provided with a support rib 51 extending in the front-rear direction, and the support rib 51 extends from the air outlet 20 to the positioning rib 50 . In this way, the plug connection of the smoke guide pipe 1 and the air outlet pipe 2 can be facilitated, and the structural strength of the smoke guide pipe 1 can be improved.

The inner peripheral surface of the horizontal section 210 is provided with a guide groove matched with the support rib 51 . In this way, the plug connection of the smoke guide pipe 1 and the air outlet pipe 2 can be further facilitated.

More specifically, as shown in FIGS. 1-3 , a drain pipe 31 may be formed at the drain port 30 . The water outlet 30 may be disposed adjacent to one of the side walls of the smoke pipe 1 . This makes it easier to guide and drain the condensed water.

Specifically, the smoke guide pipe 1 and the air outlet pipe 2 are generally square pipes. In this way, the manufacture of the smoking pipe 1 can be facilitated.

The rear edge of the air inlet 10 is arc-shaped. In this way, the connection between the smoke guide pipe 1 and the cooktop panel 3 can be facilitated.

The combination cooker according to the embodiments of the present application is described below. The combined stove according to the embodiment of the present application includes the smoke pipe 1 according to the above-mentioned embodiment of the present application.

The combined stove according to the embodiment of the present application has the advantages of good water collection effect, low noise, good smoke exhaust effect and the like by using the smoke guide pipe 1 according to the above-mentioned embodiment of the present application.

Specifically, a fan is provided in the cooktop panel 3, the smoke guide pipe 1 is located below the cooktop panel 3, the fan is opposite to the air inlet 10 in the up-down direction, and the heating position of the cooktop panel 3 is located in the horizontal direction. both sides of the fan. A filter screen is arranged above the fan, and the filter screen is arranged in the sealing structure on the lower surface of the cooktop panel 3 of the combination cooker.

Advantageously, the screen may be arranged at a predetermined angle to the horizontal.

By setting the oil fume inhalation position on the stove panel 3, the combination stove is different from the hood or the combination stove set at a high place above, which can facilitate the collection of water vapor generated when cooking food, and is suitable for cooking and other water vapor generated. It can improve the pertinence and applicability of the combination stove.

The working process of the combination cooker according to the embodiments of the present application will be described below with reference to the accompanying drawings.

After the combination cooker starts to run, the cooking fumes generated when the food is cooked by the heating position of the cooktop panel 3 are generated above the cooktop panel 3 .

As the fan starts to rotate, the oil fume above the cooktop panel 3 is sucked into the opening in the middle of the cooktop panel 3 under the driving action of the fan on the airflow.

The oil fume entering the stove panel 3 is filtered by the filter screen, enters the smoke guide pipe 1 through the fan, and enters the subsequent air duct through the smoke guide pipe 1 and the air outlet pipe 2 and is finally discharged.

At the same time, when the oil smoke passes through the filter screen and the smoke guide pipe 1, the droplets condensed on the filter screen and on the inner wall of the smoke guide pipe 1 fall on the bottom wall of the smoke guide pipe 1 under the action of gravity. The front end of the pipe is lower than the back end, and the droplets on the bottom wall gradually converge on the front end of the bottom wall of the smoke pipe 1, and are discharged through the drain port 30 at the front end of the bottom wall of the smoke pipe 1.

Other structures and operations of the combination cooktop according to the embodiment of the present application are known to those of ordinary skill in the art, and will not be described in detail here.

In the description of this specification, references to the terms "one embodiment," "some embodiments," "exemplary embodiment," "example," "specific example," or "some examples", etc., are meant to incorporate the embodiments A particular feature, structure, material, or characteristic described by an example or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although the embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the present application, The scope of the application is defined by the claims and their equivalents.

Claims (15)

1. A smoke guide pipe of a combined stove, wherein the smoke guide pipe is provided with an air inlet and an air outlet, the bottom wall of the smoke guide pipe is provided with a drain outlet, and the front end of the bottom wall of the smoke guide pipe is lower than At the rear end, the water outlet is formed at the front end of the bottom wall of the smoke guide pipe.
2. The smoke guide pipe of the combined stove according to claim 1, wherein the air inlet is formed on the top wall of the smoke guide pipe and is disposed adjacent to the front end of the smoke guide pipe, and the air outlet is formed in the smoke guide pipe. on the rear wall of the smoke pipe.
3. The smoke guide pipe of the combined stove according to claim 1, wherein the bottom wall of the smoke guide pipe extends upwards slantingly from front to back.
4. The smoke guide pipe of the combined stove according to claim 3, wherein the minimum angle between the bottom wall of the smoke guide pipe and the horizontal plane is greater than 1 degree.
5. The smoke guide pipe of the combined stove according to claim 4, wherein the minimum angle between the bottom wall of the smoke guide pipe and the horizontal plane is 3-5 degrees.
6. The smoke guide pipe of the combined stove according to claim 1, wherein the front wall and the bottom wall of the smoke guide pipe are connected by an arc-shaped air guide surface.
7. The smoke guide pipe of a combined stove according to claim 6, wherein the front wall of the smoke guide pipe is an arc-shaped plate, and the width of the arc-shaped air guide surface in the horizontal direction gradually decreases from back to front.
8. The smoke guide pipe of the combined stove according to claim 1, wherein the connection between the side wall and the bottom wall of the smoke guide pipe is arc transition.
9. The smoke duct of the combined stove according to claim 1, wherein the air inlet is provided with a sealing edge extending outward, and the sealing edge is arranged around the air inlet.
10. The smoke guide pipe of the combined stove according to claim 1, wherein the inner wall surface of the smoke guide pipe is covered with sound-absorbing cotton.
11. The smoke guide pipe of the combined stove according to claim 1, further comprising an air outlet pipe, and the air outlet pipe is connected at the air outlet.
12. The smoke guide pipe of the combined stove according to claim 11, wherein the air outlet pipe comprises a horizontal section connected with the smoke guide pipe and a vertical section connected with the rear end of the horizontal section, the horizontal section and the The vertical segment arc transition.
13. The smoke guide pipe of the combined stove according to claim 12, wherein the cross-sectional area of the lower end of the vertical section is larger than the cross-sectional area of the upper end of the vertical section.
14. The smoke guide pipe of the combined stove according to claim 11, wherein the air outlet is inserted and matched with the air outlet pipe.
15. A combined stove, comprising the smoke guide pipe of the combined stove according to any one of claims 1-14.

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