A structure of a prime mover for generating power by utilizing buoyancy force of a liquid

Abstract

A structure (10) of a prime mover for generating power by utilizing buoyancy force of a liquid (50) is provided. The structure includes bellows (20) connected to a guide plate (30) located in a compartment (40) filled with the liquid. The bellows are to suck a gas by expanding. The bellows are to move the guide plate in an upward direction in 5 response to the buoyancy force caused by the liquid. The bellows are to move the guide plate in a downward direction by venting out the gas sucked by collapsing due to a static pressure of the liquid. The structure includes a crank shaft (130) to rotate unidirectionally corresponding to a movement of the guide plate. The structure includes an output shaft (150) to rotate a flywheel (160).

Description

[0001] A STRUCTURE OF A PRIME MOVER FOR GENERATING POWER BY UTILIZING BUOYANCY FORCE OF A EIQUID

[0002] EARLIEST PRIORITY DATE

[0003] This Application claims priority from a Complete patent application filed in India having Patent Application No. 202341040082, filed on June 12, 2023, and titled “A STRUCTURE OF A PRIME MOVER FOR GENERATING POWER BY UTILIZING BUOYANCY FORCE OF A LIQUID”.

[0004] FIELD OF INVENTION

[0005] Embodiments of the present disclosure relate to a field of power generation and more particularly to a structure of a prime mover for generating power by utilizing buoyancy force of a liquid.

[0006] BACKGROUND

[0007] Energy sources are classified as renewable energy sources and non-renewable energy sources. The energy sources naturally replenished with time are termed as the renewable energy sources. The energy sources depleted over time are termed as the non-renewable energy sources. The renewable energy sources include solar energy, wind energy, hydropower, biomass, and geothermal energy. Similarly, the non- renewable sources include fossil fuels and nuclear power.

[0008] There exists a plurality of problems associated with the renewable energy sources and the non-renewable energy sources. The solar energy, the wind energy and the hydropower are intermittent. Further, a significant geographical area is required to tap the solar energy, the wind energy, and hydropower, thereby increasing the upfront costs. Furthermore, the renewable energy sources are location dependent due to the reliance of the renewable energy sources on specific natural conditions for energy generation. Additionally, the energy generation from the fossil fuels and the nuclear power emits greenhouse gases are harmful to the atmosphere and humans.

[0009] Hence, there is a need for an improved structure of a prime mover for generating power by utilizing buoyancy force of a liquid to address the aforementioned issue(s). OBJECTIVE OF THE INVENTION

[0010] An objective of the invention includes to provide a structure of a prime mover for generating power by utilizing buoyancy force of a liquid.

[0011] BRIEF DESCRIPTION

[0012] In accordance with an embodiment of the present disclosure, a structure of a prime mover for generating power by utilizing buoyancy force of a liquid is provided. The structure includes a plurality of bellows connected to a guide plate located in a compartment filled with the liquid. The plurality of bellows includes a corresponding distal end connected to a plurality of corresponding contour guides through a plurality of corresponding rollers. The plurality of corresponding contour guides is located in at least two sides of the compartment. The plurality of bellows are adapted to suck a gas from an external environment by expanding when the plurality of corresponding rollers of the plurality of bellows is forced to move from a first position to a second position through the plurality of corresponding contour guides. The plurality of bellows are also adapted to move the guide plate in an upward direction by moving from a bottom dead center of the compartment to a top dead center of the compartment in response to the buoyancy force caused by the liquid. The plurality of corresponding rollers is adapted to move from the second position to a third position through the plurality of corresponding contour guides when the plurality of bellows are moving from the bottom dead center of the compartment to the top dead center of the compartment. The plurality of bellows are further adapted to move the guide plate in a downward direction by moving from the top dead center of the compartment to the bottom dead center of the compartment by venting out the gas sucked by collapsing due to a static pressure of the liquid upon reaching the top dead center of the compartment. The plurality of corresponding rollers is adapted to move from the third position to the first position through the plurality of corresponding contour guides when the plurality of bellows are moving from the top dead center of the compartment to the bottom dead center of the compartment. The structure also includes a crank shaft mechanically coupled to the guide plate through a connecting rod. The crank shaft is adapted to rotate unidirectionally corresponding to a movement of the guide plate in the upward direction and the downward direction. The structure further includes an output shaft mechanically coupled to the crank shaft. The output shaft is adapted to rotate a flywheel corresponding to a rotation of the crank shaft, thereby generating the power by utilizing the buoyancy force of the liquid.

[0013] To further clarify the advantages and features of the present disclosure, a more explicit description of the disclosure will follow by reference to specific embodiments thereof, which are illustrated in the appended figures. It is to be appreciated that these figures depict typical embodiments of the disclosure and are therefore not to be considered limiting in scope. The disclosure will be described and explained with additional details with the appended figures.

[0014] BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The disclosure will be described and explained with additional specificity and detail with the accompanying figures in which:

[0016] FIG. 1 is a schematic representation of a structure of a prime mover for generating power by utilizing buoyancy force of a liquid in accordance with an embodiment of the present disclosure;

[0017] FIG. 2 is a schematic representation of one embodiment of the structure of FIG. 1, depicting a plurality of bellows, when a plurality of corresponding rollers is at a second position on a plurality of corresponding contour guides in accordance with an embodiment of the present disclosure;

[0018] FIG. 3 is a schematic representation of another embodiment of the structure (10) of FIG. 1, depicting the plurality of bellows, when the plurality of corresponding rollers is between the second position and the third position in accordance with an embodiment of the present disclosure;

[0019] FIG. 4 is a schematic representation of another embodiment of the structure of FIG. 1, depicting the plurality of bellows, when the plurality of corresponding rollers is at the third position on the plurality of corresponding contour guides in accordance with an embodiment of the present disclosure; and FIG. 5 is a schematic representation of yet another embodiment of the structure of FIG. 1, depicting a side view of the compartment in accordance with an embodiment of the present disclosure.

[0020] Further, those skilled in the art will appreciate that elements in the figures are illustrated for simplicity and may not have necessarily been drawn to scale. Furthermore, in terms of the construction of the device, one or more components of the device may have been represented in the figures by conventional symbols, and the figures may show only those specific details that are pertinent to understanding the embodiments of the present disclosure so as not to obscure the figures with details that will be readily apparent to those skilled in the art having the benefit of the description herein.

[0021] DETAILED DESCRIPTION

[0022] To promote an understanding of the principles of the disclosure, reference will now be made to the embodiment illustrated in the figures and specific language will be used to describe them. It will nevertheless be understood that no limitation of the scope of the disclosure is thereby intended. Such alterations and further modifications in the illustrated system, and such further applications of the principles of the disclosure as would normally occur to those skilled in the art are to be construed as being within the scope of the present disclosure.

[0023] The terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process or method that comprises a list of steps does not include only those steps but may include other steps not expressly listed or inherent to such a process or method. Similarly, one or more devices or sub-systems or elements or structures or components preceded by "comprises... a" does not, without more constraints, preclude the existence of other devices, sub-systems, elements, structures, components, additional devices, additional sub-systems, additional elements, additional structures, or additional components. Appearances of the phrase "in an embodiment", "in another embodiment" and similar language throughout this specification may, but not necessarily do, all refer to the same embodiment.

[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which this disclosure belongs. The system, methods, and examples provided herein are only illustrative and not intended to be limiting.

[0025] In the following specification and the claims, reference will be made to a number of terms, which shall be defined to have the following meanings. The singular forms “a”, “an”, and “the” include plural references unless the context clearly dictates otherwise.

[0026] In the discussion that follows, references will be made to “ a first position”, “ a second position” and “a third position” with reference to relative positions of a plurality of corresponding rollers in a plurality of corresponding contour guides with respect to a movement of a plurality of bellows between a top dead center of a compartment and a bottom dead center of the compartment.

[0027] Embodiments of the present disclosure relate to a structure of a prime mover for generating power by utilizing buoyancy force of a liquid. The structure includes a plurality of bellows connected to a guide plate located in a compartment filled with the liquid. The plurality of bellows includes a corresponding distal end connected to a plurality of corresponding contour guides through a plurality of corresponding rollers. The plurality of corresponding contour guides is located in at least two sides of the compartment. The plurality of bellows are adapted to suck a gas from an external environment by expanding when the plurality of corresponding rollers of the plurality of bellows is forced to move from a first position to a second position through the plurality of corresponding contour guides. The plurality of bellows are also adapted to move the guide plate in an upward direction by moving from a bottom dead center of the compartment to a top dead center of the compartment in response to the buoyancy force caused by the liquid. The plurality of corresponding rollers is adapted to move from the second position to a third position through the plurality of corresponding contour guides when the plurality of bellows are moving from the bottom dead center of the compartment to the top dead center of the compartment. The plurality of bellows are further adapted to move the guide plate in a downward direction by moving from the top dead center of the compartment to the bottom dead center of the compartment by venting out the gas sucked by collapsing due to a static pressure of the liquid upon reaching the top dead center of the compartment. The plurality of corresponding rollers is adapted to move from the third position to the first position through the plurality of corresponding contour guides when the plurality of bellows are moving from the top dead center of the compartment to the bottom dead center of the compartment. The structure also includes a crank shaft mechanically coupled to the guide plate through a connecting rod. The crank shaft is adapted to rotate unidirectionally corresponding to a movement of the guide plate in the upward direction and the downward direction. The structure further includes an output shaft mechanically coupled to the crank shaft. The output shaft is adapted to rotate a flywheel corresponding to a rotation of the crank shaft, thereby generating the power by utilizing the buoyancy force of the liquid.

[0028] FIG. 1 is a schematic representation of a structure (10) of a prime mover for generating power by utilizing buoyancy force of a liquid (50) in accordance with an embodiment of the present disclosure. The structure (10) includes a plurality of bellows (20) connected to a guide plate (30) located in a compartment (40) filled with the liquid (50). In some embodiments, the liquid (50) may include, but is not limited to, water, refrigerants, hydrocarbons and the like. In one embodiment, the plurality of bellows (20) may include a balanced bellow. In one embodiment, the compartment (40) may include, but is not limited to, a sea freight container, a high cube container. In an exemplary embodiment, dimensions of the compartment (40) may include, but is not limited to, 8 feet, 10 feet, 20 feet and 40 feet. In one embodiment, the compartment (40) may be composed of carbon steel.

[0029] Further, in some embodiments, the compartment (40) may be composed of concrete. In a specific embodiment, the compartment (40) may be coated with at least one of a material including epoxy, and aluminium to enhance the durability of the compartment (40). The plurality of bellows (20) includes a corresponding distal end connected to a plurality of corresponding contour guides (60) through a plurality of corresponding rollers (70). In one embodiment, the plurality of bellows (20) may be composed of at least one of the material including rubber, reinforced rubber, steel and an elastic material. In a specific embodiment, the plurality of bellows (20) may be coated with an epoxy resin to improve the durability of the plurality of bellows (20). In some embodiments, the plurality of bellows (20) may be singleply. In a specific embodiment, the plurality of bellows (20) may be multiply.

[0030] Furthermore, in some embodiments, the plurality of bellows (20) may be vulcanized to prevent leaks from the plurality of bellows (20). The plurality of corresponding contour guides (60) is located in at least two sides of the compartment (40). The plurality of bellows (20) are adapted to suck a gas from an external environment by expanding when the plurality of corresponding rollers (70) of the plurality of bellows (20) is forced to move from a first position (80) to a second position (90) through the plurality of corresponding contour guides (60). In one embodiment, the gas may include at least one of air, hydrogen and helium. In some embodiments, the plurality of corresponding rollers (70) may be composed of nylon and silicon. In some embodiments, the plurality of bellows (20) may include one or more corresponding springs (not shown in FIG. 1) adapted to trigger an expansion of the plurality of bellows (20) when the plurality of bellows (20) are at the first position (80).

[0031] Moreover, in one embodiment, the plurality of corresponding rollers (70) may be composed of a soft material to reduce friction between the plurality of corresponding rollers (70) and the plurality of corresponding contour guides (60). In some embodiments, the plurality of corresponding contour guides (60) may include a liner (not shown in FIG. 1) adapted to reduce the friction between the plurality of corresponding contour guides (60) and the plurality of corresponding rollers (70). In an exemplary embodiment, the contour guide (60) may have a shape including at least one of an ovel shape, Y shape, and a linear shape. In one embodiment, one or more stiffeners (not shown in FIG. 1) may be attached to an inner periphery of the compartment (40) to increase structural strength of the compartment (40). In such an embodiment, the one or more stiffeners may prevent buckling of the compartment (40) while lifting and shifting of the compartment (40).

[0032] FIG. 2 is a schematic representation of one embodiment of the structure (10) of FIG. 1, depicting the plurality of bellows (20), when the plurality of corresponding rollers (70) is at the second position (90) on the plurality of corresponding contour guides (60) in accordance with an embodiment of the present disclosure. The plurality of bellows (20) are also adapted to move the guide plate (30) in an upward direction by moving from a bottom dead center (100) of the compartment (40) to a top dead center (110) of the compartment (40) in response to the buoyancy force caused by the liquid (50). The plurality of corresponding rollers (70) is adapted to move from the second position (90) to a third position (120) through the plurality of corresponding contour guides (60) when the plurality of bellows (20) are moving from the bottom dead center (100) of the compartment (40) to the top dead center (110) of the compartment (40). FIG. 3 is a schematic representation of another embodiment of the structure (10) of FIG. 1, depicting the plurality of bellows (20), when the plurality of corresponding rollers (70) is between the second position (90) and the third position (120) in accordance with an embodiment of the present disclosure. Detailed description of the plurality of bellows (20) and the plurality of corresponding rollers (70) are provided in the FIG. 1 description.

[0033] FIG. 4 is a schematic representation of another embodiment of the structure (10) of FIG. 1, depicting the plurality of bellows (20), when the plurality of corresponding rollers (70) is at the third position (120) on the plurality of corresponding contour guides (60) in accordance with an embodiment of the present disclosure. The plurality of bellows (20) are further adapted to move the guide plate (30) in a downward direction by moving from the top dead center (110) of the compartment (40) to the bottom dead center (100) of the compartment (40) by venting out the gas sucked by collapsing due to a static pressure of the liquid (50) upon reaching the top dead center (110) of the compartment (40). In an exemplary embodiment, movement of the plurality of bellows from the first position (80) to the third position (120) may include an expansion stroke and power stroke of the plurality of bellows. Similarly, the movement of the plurality of bellows from the third position (120) to the first position (80) may include a collapsing stroke and a return stroke of the plurality of bellows.

[0034] Further, in one embodiment, the plurality of bellows (20) may be adapted to suck the gas and expel the gas through a corresponding chute (170), wherein the corresponding chute (170) is interconnected with the plurality of bellows (20) through a corresponding straight bellow (180) and a corresponding adapter bellow (190). The plurality of corresponding rollers (70) is adapted to move from the third position (120) to the first position (80) through the plurality of corresponding contour guides (60) when the plurality of bellows (20) are moving from the top dead center (110) of the compartment (40) to the bottom dead center (100) of the compartment (40).

[0035] Referring back to FIG. 1, the structure (10) also includes a crank shaft (130) mechanically coupled to the guide plate (30) through a connecting rod (140). The crank shaft (130) is adapted to rotate unidirectionally corresponding to a movement of the guide plate (30) in the upward direction and the downward direction. In one embodiment, the crank shaft (130) may be coupled to a ratchet (200) adapted to lock the movement of the crank shaft (130) in one of a clockwise direction and anticlockwise direction.

[0036] Further, the structure (10) includes an output shaft (150) mechanically coupled to the crank shaft (130). The output shaft (150) is adapted to rotate a flywheel (160) corresponding to a rotation of the crank shaft (130), thereby generating the power by utilizing the buoyancy force of the liquid (50). In some embodiments, the crank shaft (130) may include split couplings and solid couplings. As used herein, the split couplings may be used to connect individual sections of the crank shaft. As used herein the solid couplings may be used in the crank shaft to transmit power, to provide stability to the crank shaft when the crank shaft is constructed as a single unit. In one embodiment, the flywheel (160) may be adapted to provide a fraction of the power generated to move the plurality of bellows (20) from the top dead center (110) of the compartment (40) to the bottom dead center (100) of the compartment (40). In some embodiments, the compartment (40) may include a starter (220) mounted on an outer periphery of the compartment (40). In such an embodiment, the starter (220) may be adapted to trigger a rotation of the crank shaft (130). In one embodiment, the starter (220) may be powered by a battery or an external energy source.

[0037] Furthermore, in one embodiment, a brake (250) may be mounted on the outer periphery of the compartment (40). In such an embodiment, the brake (250) may be adapted to control a speed of rotation of the flywheel (160). In one embodiment, the brake (250) may be adapted to hold the plurality of bellows (20) at an initial starting position. In some embodiments, the compartment (40) may include a vacuum pump (260) mounted on an outer periphery of the compartment (40). In such an embodiment, the vacuum pump (260) may be adapted to maintain vacuum above the liquid (50) to assist the movement of the plurality of bellows (20) from the bottom dead center (100). In some embodiments, an outlet (not shown in FIG. 1) of the vacuum pump (260) may be connected to the plurality of bellows (20) to assist an expansion of the plurality of bellows (20).. In one embodiment, the structure may include a lubrication unit adapted to provide lubrication to moving parts of the structure.

[0038] Moreover, in a specific embodiment, an exhaust fan (not shown in FIG. 1) may be used instead of the vacuum pump (260). In one embodiment, the compartment (40) may include one or more level gauges (not shown in FIG. 1) mounted on an outer periphery of the compartment (40). In such an embodiment, the one or more level gauges may be adapted to indicate a level of the liquid (50) inside the compartment (40).

[0039] FIG. 5 is a schematic representation of yet another embodiment of the structure (10) of FIG. 1, depicting a side view of the compartment (40) in accordance with an embodiment of the present disclosure. In one embodiment, the compartment (40) may include an inlet valve (270) to top up the liquid (50) inside the compartment (40). In one embodiment, the compartment (40) may include a drain valve (210) adapted to drain the liquid (50) from the compartment (40) to the external environment. In some embodiments, the compartment (40) may include a vacuum breaker (230) mounted at an inner periphery of the compartment (40). In such an embodiment, the vacuum breaker (230) may be adapted to expel the gas from the compartment (40) to the outside environment when the plurality of bellows (20) are moving from the bottom dead center (100) of the compartment (40) to the top dead center (110) of the compartment (40).

[0040] Further, in one embodiment, the compartment (40) may include a vacuum valve (240) positioned at an inner periphery of the compartment (40). In such an embodiment, the vacuum valve (240) may be adapted to maintain a predefined amount of vacuum in the compartment (40) after closure of a vacuum breaker (230) to assist in the expansion of the one or more springs. In one embodiment, the connecting rod (140) may be coupled to the crank shaft (130) through one or more bearings (280) to reduce friction between the connecting rod (140) and the crank shaft (130). In such an embodiment, the one or more bearings (280) may include, but is not limited to, low speed sleeve bearings, bush bearings, and anti-friction bearings.

[0041] Furthermore, in some embodiments, one or more fasteners (not shown in FIG. 4) may be used to secure different functional components of the structure (10) may be composed of at least one of the material including stainless steel and epoxy coated steel. In one embodiment, the crankshaft (130) and the connecting rod (140) may be coupled through a pin and a bush arrangement. In such an embodiment, the pin and the bush arrangement may be composed of the material including the stainless steel and brass. In one embodiment, the compartment (40) may include one or more mufflers (not shown in FIG. 4) positioned along an inside periphery of the compartment (40). In such an embodiment, the one or more mufflers may be adapted to attenuate a noise produced by an operation of the structure (10). In one embodiment, the compartment (40) may be associated with a control unit (not shown in FIG. 1) adapted to cause monitoring and control of the structure (10) from a remote location.

[0042] Various embodiments of the structure of the prime mover for generating power by utilizing buoyancy force of a liquid described above enable various advantages. The structure is capable of generating power irrespective of the environmental conditions and geographical location. The structure is capable of generating power continuously. Further, the structure is compact and is capable of being erected in a minimum possible space. The prime mover is compact and remains cool during operation, thereby enabling a placement of the prime mover in proximity to a user. Also, the prime mover is capable of supporting applications that require low speed and high torque, and constant speed. The applications include providing propulsion to a ship, powering a rice mill and the like. The structure is capable of integrating with similar units to scale up the throughput of the structure. The compartment is capable of being constructed using concrete as well as sea freight containers as per the power requirements.

[0043] It will be understood by those skilled in the art that the foregoing general description and the following detailed description are exemplary and explanatory of the disclosure and are not intended to be restrictive thereof. While specific language has been used to describe the disclosure, any limitations arising on account of the same are not intended.

[0044] The figures and the forgoing description give examples of embodiments. Those skilled in the art will appreciate that one or more of the described elements may well be combined into a single functional element. Alternatively, certain elements may be split into multiple functional elements. Elements from one embodiment may be added to another embodiment. For example, the order of processes described herein may be changed and is not limited to the manner described herein. Moreover, the actions of any flow diagram need not be implemented in the order shown; nor do all the acts need to be necessarily performed. Also, those acts that are not dependent on other acts may be performed in parallel with the other acts. The scope of embodiments is by no means limited by these specific examples.

Claims

AIM:

1. A structure (10) of a prime mover for generating power by utilizing buoyancy force of a liquid comprising: characterized in that: a plurality of bellows (20) connected to a guide plate (30) located in a compartment (40) filled with the liquid (50), wherein the plurality of bellows (20) comprises a corresponding distal end connected to a plurality of corresponding contour guides (60) through a plurality of corresponding rollers (70), wherein the plurality of corresponding contour guides (60) is located in at least two sides of the compartment (40), wherein the plurality of bellows (20) are adapted to: suck gas from an external environment by expanding away from the guide plate when the plurality of corresponding rollers (70) is forced to move from a first position (80) to a second position (90) through the plurality of corresponding contour guides (60); move the guide plate (30) in an upward direction by moving from a bottom dead center (100) of the compartment (40) to a top dead center (110) of the compartment (40) in response to the buoyancy force caused by the liquid (50), wherein the plurality of corresponding rollers (70) is adapted to move from the second position (90) to a third position (120) through the corresponding contour guide (60) when the plurality of bellows (20) are moving from the bottom dead center (100) of the compartment (40) to the top dead center (110) of the compartment (40); move the guide plate (30) in a downward direction by moving from the top dead center (110) of the compartment (40) to the bottom dead center (100) of the compartment (40) by venting out the gas sucked by collapsing due to a static pressure of the liquid (50) upon reaching the top dead centerwherein the plurality of corresponding rollers (70) is adapted to move from the third position (120) to the first position (80) through the plurality of corresponding contour guides (60) when the plurality of bellows (20) are moving from the top dead center (110) of the compartment (40) to the bottom dead center (100) of the compartment (40); a crank shaft (130) mechanically coupled to the guide plate (30) through a connecting rod (140), wherein the crank shaft (130) is adapted to rotate unidirectionally corresponding to a movement of the guide plate (30) in the upward direction and the downward direction; and an output shaft (150) mechanically coupled to the crank shaft (130), wherein the output shaft (150) is adapted to rotate a flywheel (160) corresponding to a rotation of the crank shaft (130), thereby generating the power by utilizing the buoyancy force of the liquid (50).

2. The structure (10) as claimed in claim 1, wherein the plurality of bellows (20) comprises a balanced bellow.

3. The structure (10) as claimed in claim 1, wherein the gas comprises at least one of air, hydrogen, and helium.

4. The structure (10) as claimed in claim 1, wherein the plurality of bellows (20) are adapted to suck the gas and expel the gas through a corresponding chute (170), wherein the corresponding chute (170) is interconnected with the plurality of bellows (20) through a corresponding straight bellow (180) and a corresponding adapter bellow (190).

5. The structure (10) as claimed in claim 1, wherein the crank shaft (130) is coupled to a ratchet (200) adapted to lock the movement of the crank shaft (130) in one of a clockwise direction and anti-clockwise direction.

6. The structure (10) as claimed in claim 1, wherein the compartment (40) comprises a drain valve (210) adapted to drain the liquid (50) from the compartment (40) to the external environment.

7. The structure (10) as claimed in claim 1, wherein the compartment (40) comprises a starter (220) mounted on an outer periphery of the compartment (40), wherein the starter (220) is adapted to trigger a rotation of the crank shaft (130).

8. The structure (10) as claimed in claim 1, wherein the compartment (40) comprises a vacuum breaker (230) mounted at an inner periphery of the compartment (40), wherein the vacuum breaker (230) is adapted to expel the gas from the compartment (40) to the outside environment when the plurality of bellows (20) are moving from the bottom dead center (100) of the compartment (40) to the top dead center (110) of the compartment (40).

9. The structure (10) as claimed in claim 1, wherein the plurality of bellows(20) comprises one or more corresponding springs adapted to trigger an expansion of the plurality of bellows (20) when the plurality of bellows (20) are at the first position (80).

10. The structure (10) as claimed in claim 1, wherein the compartment (40) comprises a vacuum valve (240) positioned at an inner periphery of the compartment (40), wherein the vacuum valve (240) is adapted to maintain a predefined amount of vacuum in the compartment (40) after closure of a vacuum breaker (230) to assist in an expansion of one or more springs.

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