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The disclosure relates to valve train devices and more particularly pertains to a new valve train device for performing intake and exhaust duties of an internal combustion engine. The device includes a housing and a plurality of valves that a movably disposed in the housing. A plurality of magnets is each coupled to a respective valve. A plurality of first electromagnets is integrated into the housing and plurality of second electromagnets is integrated into the housing. The first electromagnets and the second electromagnets alternatively magnetically attracts the magnets for opening and closing the valves.
The prior art relates to valve train devices including an electrically controlled valve train that employs electric actuators for opening and closing valves in an internal combustion engine. The prior art discloses an electronic valve train device that employs electric motors for opening and closing valves in an internal combustion engine. The prior art discloses a variety of hydraulic valve train devices that employ hydraulic pressure for opening and closing valves in an internal combustion engine.
An embodiment of the disclosure meets the needs presented above by generally comprising a housing that is mounted to a head of an internal combustion engine. A plurality of valves is each movably integrated into the housing and extends into a combustion chamber of the internal combustion engine. A plurality of magnets is each attached to a respective one of the valves. A plurality of first electromagnets is each positioned within the housing to magnetically attract a respective one of the magnets when the first electromagnets are turned on thereby urging the valves into a closed condition. A plurality of second electromagnets is each positioned within the housing to magnetically attract a respective one of the magnets when the second electromagnets are turned on thereby urging the valves into an open condition.
There has thus been outlined, rather broadly, the more important features of the disclosure in order that the detailed description thereof that follows may be better understood, and in order that the present contribution to the art may be better appreciated. There are additional features of the disclosure that will be described hereinafter and which will form the subject matter of the claims appended hereto.
The objects of the disclosure, along with the various features of novelty which characterize the disclosure, are pointed out with particularity in the claims annexed to and forming a part of this disclosure.
The disclosure will be better understood and objects other than those set forth above will become apparent when consideration is given to the following detailed description thereof. Such description makes reference to the annexed drawings wherein:
With reference now to the drawings, and in particular to
As best illustrated in
The bottom wall 22 has a plurality of holes 34 each extending into an interior of the housing 18, and the holes 34 are spaced apart from each other and are distributed between the front side 30 and the back side 32. The bottom wall 22 abuts a top surface 35 of the head 14 of the internal combustion engine 12 having each of the holes 34 being aligned with a respective one of a plurality of valve guides 36 in the head 14. A plurality of valves 38 is provided and each of the valves 38 is movably integrated into the housing 18. Each of the valves 38 extends outwardly from the housing 18 thereby facilitating each of the valves 38 to extend through the head 14 and into a combustion chamber 16 of the internal combustion engine 12. Additionally, each of the valves 38 may be an intake valve or an exhaust valve of any conventional design that is commonly employed in internal combustion engines.
Each of the valves 38 has a stem 40 and a valve head 42, and the stem 40 has a distal end 44 with respect to the valve head 42. The stem 40 of each of the valves 38 extends through a respective one of the holes 34 in the bottom wall 22 of the housing 18 having the distal end 44 of the stem 40 of each of the valves 38 is positioned within the housing 18. The stem 40 of each of the valves 38 extends through a respective one of the valve guides 36 in the head 14 such the valve head 42 is positioned in the combustion chamber 16 of the internal combustion engine 12.
A plurality of magnets 46 is each attached to a respective one of the valves 38 and each of the magnets 46 is positioned within the housing 18. Each of the magnets 46 has a top surface 48 and a bottom surface 50, and the bottom surface 50 has a flattened portion 52 and a pair of angled portions 54. The flattened 52 portion lies on a plane that is oriented coplanar with the top surface 48 and the flattened portion 52 is positioned between each of the angled portions 54. Each of the angled portions 54 angles upwardly toward the top surface 48 such that each of the magnets 46 has a trapezoidal shape. Furthermore, the stem 40 of each of the valves 38 extends through the flattened portion 52 and the top surface 48 of a respective one of the magnets 46 having the distal end 44 of the stem 40 being exposed on the top surface 48 of the respective magnet 46.
A plurality of first electromagnets 56 is included and each of the first electromagnets 56 is positioned within the housing 18. Each of the first electromagnets 56 magnetically attracts a respective one of the magnets 46 when the first electromagnets 56 are turned on. In this way the valves 38 are urged into a closed condition. Each of the first electromagnets 56 has an upper surface 58 and a lower surface 60, and the upper surface 58 of each of the first electromagnets 56 is bonded to an inside surface 62 of the top wall 20 of the housing 18. Additionally, each of the first electromagnets 56 is aligned with a respective one of the valves 38. Each of the first electromagnets 56 has an opening 64 extending through the lower surface 60 and the upper surface 58. The top surface 48 of each of the magnets 46 abuts the lower surface 60 of a respective one of the first electromagnets 56 when the first electromagnets 56 are turned on having the distal end 44 of the stem 40 of the respective valve extending into the opening 64 when the first electromagnets 56 are turned on.
A plurality of second electromagnets 66 is provided and each of the second electromagnets 66 is positioned within the housing 18. Each of the second electromagnets 66 magnetically attracts a respective one of the magnets 46 when the second electromagnets 66 are turned on thereby urging the valves 38 into an open condition. Each of the second electromagnets 66 has a top surface 68 and a bottom surface 70, and the bottom surface 50 of each of the second electromagnets 66 is bonded to an inside surface 72 of the angled portion 30 of a respective one of the first lateral side 26 and the second lateral side 28 of the outer wall 24 of the housing 18. Additionally, each of the second electromagnets 66 is positioned adjacent to a respective one of the valves 38 having the stem 40 of the respective valve 38 being positioned between a respective pair of the second electromagnets 66. Each of the angled portions 54 of the bottom surface 50 of a respective one of the magnets 46 abuts the top surface 68 of a respective one of the second electromagnets 66 when the second electromagnets 66 are turned on.
A control unit 74 is integrated into the internal combustion engine 12 and the control unit 74 is in communication with each of the first electromagnets 56 and each of the second electromagnets 66. Moreover, the control unit 74 is in communication with an engine control module 76 of the internal combustion engine 12. Each of the first electromagnets 56 is turned on when the control unit 74 receives a close command from the engine control module 76. Additionally, each of the second electromagnets 66 is turned off when the control unit 74 receives the close command from the engine control module 76. Each of the second electromagnets 66 is turned on when the control unit 74 receives an open command from the engine control module 76. Additionally, each of the first electromagnets 56 is turned off when the control unit 74 receives the open command from the engine control module 76. The control unit 74 includes a communication plug 78 and a plurality of conductors 80 that is each electrically coupled to the communication plug 78. The communication plug 78 is electrically matable to an output port 82 on the engine control module 76. Additionally, each of the conductors 80 is electrically coupled to a respective one of the first electromagnets 56 or a respective one of the second electromagnets 66.
As is most clearly shown in
In use, each of the second electromagnets 66 that is assigned to perform the intake duties is additionally assigned to a respective cylinder 84 in the internal combustion engine 12. Each of the second electromagnets 66 assigned to perform the intake duties is turned on when the engine control module 76 senses a piston 86 in the respective cylinder 84 is in the intake stroke. In this way the valves 38 assigned to perform the intake duties is opened at the appropriate time to facilitate the fuel air mixture to be drawn into the respective cylinder 84. Each of the first electromagnets 56 that is assigned to perform the intake duties is additionally assigned to a respective cylinder 84 in the internal combustion engine 12. Each of the first electromagnets 56 assigned to perform the intake duties is turned on when the engine control module 76 senses the piston 86 in the respective cylinder 84 is in the compression stroke.
Each of the second electromagnets 66 that is assigned to perform the exhaust duties is additionally assigned to a respective cylinder 84 in the internal combustion engine 12. Each of the second electromagnets 66 assigned to perform the exhaust duties is turned on when the engine control module 76 senses a piston 86 in the respective cylinder 84 is in the exhaust stroke. In this way the valves 38 assigned to perform the exhaust duties is opened at the appropriate time to facilitate the combusted air fuel mixture to be exhausted from the respective cylinder 84. Each of the first electromagnets 56 that is assigned to perform the exhaust duties is additionally assigned to a respective cylinder 84 in the internal combustion engine 12. Each of the first electromagnets 56 assigned to perform the exhaust duties is turned on when the engine control module 76 senses the piston 86 in the respective cylinder 84 is in the compression stroke.
With respect to the above description then, it is to be realized that the optimum dimensional relationships for the parts of an embodiment enabled by the disclosure, to include variations in size, materials, shape, form, function and manner of operation, assembly and use, are deemed readily apparent and obvious to one skilled in the art, and all equivalent relationships to those illustrated in the drawings and described in the specification are intended to be encompassed by an embodiment of the disclosure.
Therefore, the foregoing is considered as illustrative only of the principles of the disclosure. Further, since numerous modifications and changes will readily occur to those skilled in the art, it is not desired to limit the disclosure to the exact construction and operation shown and described, and accordingly, all suitable modifications and equivalents may be resorted to, falling within the scope of the disclosure. In this patent document, the word “comprising” is used in its non-limiting sense to mean that items following the word are included, but items not specifically mentioned are not excluded. A reference to an element by the indefinite article “a” does not exclude the possibility that more than one of the element is present, unless the context clearly requires that there be only one of the elements.