TWM517957U - Heat dissipation device of three-phase induction external rotation type motor for treadmill - Google Patents
Heat dissipation device of three-phase induction external rotation type motor for treadmill Download PDFInfo
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- TWM517957U TWM517957U TW104216989U TW104216989U TWM517957U TW M517957 U TWM517957 U TW M517957U TW 104216989 U TW104216989 U TW 104216989U TW 104216989 U TW104216989 U TW 104216989U TW M517957 U TWM517957 U TW M517957U
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Description
本新型係應用於跑步機之技術領域,尤指其技術上提供一種跑步機用三相感應外轉式馬達之散熱裝置,藉由至少一散熱元件為環形片狀且向二側蓋凸設數放射狀鰭片,同時各該散熱元件之外徑緊密配合一中框,此外該中框於軸向一端外周壁環狀開設數散熱孔,各該散熱孔分別對應匹配於其中一端各該放射狀鰭片之間數流道,以達成有效提高散熱之目的。 The present invention is applied to the technical field of treadmills, and in particular to a heat dissipating device for a three-phase induction external rotation motor for a treadmill, wherein at least one heat dissipating component is in the form of a ring-shaped piece and is protruded to the two side covers. Radial fins, wherein the outer diameter of each of the heat dissipating members is closely matched with a middle frame, and the middle frame is annularly provided with a plurality of heat dissipation holes at an outer peripheral wall of the axial end, and each of the heat dissipation holes is respectively matched to one of the radial portions A number of flow paths between the fins for the purpose of effectively improving heat dissipation.
按,習知傳統馬達皆為內轉式之設計,其包含:一內轉子,該內轉子軸向環狀固設數矽鋼片且軸向固設一軸心,該軸心兩端各套設一培林;一外定子,該外定子固設於一殼體內環面,且將該外定子套設該內轉子後,於該殼體外之該軸心固設一慣性飛輪及一皮帶盤,該皮帶盤連結於跑步機以輸出動力,使跑步機之履帶繞轉,進而達成提供使用者跑步之目的;然則上述習用結構,由於一風扇係單純固設於該軸心上轉動,僅攪動馬達內部熱空氣由四周隙縫推出散熱效果有限,尤其當長時間使用時內部之高溫,容易使該風扇扭曲變形降低散熱效果,而使該風扇產生卡死之問題,嚴重時內部高溫甚至會發生馬達該內轉子或該外定子燒毀 的情況。 According to the conventional design, the conventional motor is an internal rotation type, and comprises: an inner rotor, the inner rotor is axially fixed with a plurality of steel sheets and axially fixed with an axial center, and the shaft ends are respectively sleeved An outer stator, the outer stator is fixed to an inner ring surface of the casing, and after the outer stator is sleeved with the inner rotor, an inertia flywheel and a belt pulley are fixed on the shaft center outside the casing. The belt pulley is coupled to the treadmill to output power, so that the track of the treadmill is rotated, thereby achieving the purpose of providing the user to run; however, the conventional structure is only agitating the motor because a fan is simply fixed on the shaft. The internal hot air is limited by the surrounding air. The heat dissipation effect is limited, especially when it is used for a long time. It is easy to make the fan twist and deform to reduce the heat dissipation effect, and the fan will be stuck. In severe cases, the internal high temperature may even occur. The inner rotor or the outer stator is burned Case.
是以,針對上述習知跑步機所存在之問題點,如何開發一種更具理想實用性的創新結構,實為消費者所殷切企盼,亦係相關業者須努力研發突破的目標及方向。 Therefore, in view of the problems existing in the above-mentioned treadmills, how to develop an innovative structure with more ideal and practicality is really eagerly awaited by consumers, and it is also the goal and direction of relevant industry players to make efforts to develop breakthroughs.
欲解決上述技術之問題點為:該風扇係單純固設於該軸心上轉動,僅攪動馬達內部熱空氣由四周隙縫推出散熱效果有限,尤其當長時間使用時內部之高溫,容易使該風扇扭曲變形降低散熱效果,而使該風扇產生卡死之問題,嚴重時內部高溫甚至會發生馬達該內轉子或該外定子燒毀的情況。 The problem to solve the above problem is that the fan is simply fixed on the shaft and rotates only to stir the hot air inside the motor. The heat dissipation effect is limited by the surrounding slots, especially when the internal temperature is high for a long time, the fan is easily made. The twisting deformation reduces the heat dissipation effect, and the fan is stuck. In severe cases, the internal high temperature may even occur when the inner rotor or the outer stator of the motor is burnt.
為了解決上述之問題,本新型之主要目的係提供一種跑步機用三相感應外轉式馬達之散熱裝置,係包含:一內定子,該內定子軸向兩端圓心處凸設一軸心;一外轉子,該外轉子為中空圓柱體且於軸向環狀設數穿孔,各該穿孔內分別灌注形成數鋁柱,各該鋁柱凸設於該外轉子之軸向兩端,且兩端各該鋁柱相互連接於兩端各形成一環凸緣,以及該外轉子之內徑套設於該內定子外周壁;此外該外轉子之外周壁固設於一中框之內徑,該中框為中空圓筒且軸向兩端分別固設一側蓋,各該側蓋設數孔洞,且於面向該中框內之各該側蓋中心處各設一軸承,再將該軸心兩端穿設於各該軸承之內徑,此外至少一散熱元件固設於該外轉子軸向其中一端,且位於該側蓋與該外轉子之間;各該散熱元件為環形片狀且以環形為中心於該散熱元件凸 設數放射狀鰭片,各該放射狀鰭片朝向該側蓋且緊密抵靠於該側蓋,同時各該散熱元件之外徑緊密配合該中框,此外該中框於一端徑向外周壁環狀開設數散熱孔,各該散熱孔分別對應匹配於該外轉子一端之各該放射狀鰭片之間的數流道;藉由上述結構,當該內定子導電時,使該外轉子轉動以輸出動力,同時冷空氣由各該側蓋流入馬達內,此時該散熱元件轉動以離心力將內部熱空氣經各該流道及各該散熱孔排出,以達成有效提高散熱之目的。 In order to solve the above problems, the main object of the present invention is to provide a heat dissipating device for a three-phase induction externally-rotating motor for a treadmill, comprising: an inner stator, an axial center of the inner end of the inner stator; An outer rotor is a hollow cylinder and is provided with a plurality of perforations in the axial direction, and each of the perforations is respectively filled with a plurality of aluminum columns, and the aluminum columns are protruded from the axial ends of the outer rotor, and two Each of the aluminum posts is connected to each other to form a ring flange at each end, and an inner diameter of the outer rotor is sleeved on the inner peripheral wall of the inner stator; and the outer peripheral wall of the outer rotor is fixed to an inner diameter of a middle frame, The middle frame is a hollow cylinder and a side cover is respectively fixed at both ends of the axial direction, and each side cover is provided with a plurality of holes, and a bearing is disposed at a center of each of the side covers facing the middle frame, and then the shaft is disposed The two ends are disposed on the inner diameter of each of the bearings, and at least one heat dissipating component is fixed at one end of the outer rotor shaft and located between the side cover and the outer rotor; each of the heat dissipating elements is annular and The ring is centered on the heat dissipating component Radial fins are disposed, each of the radial fins facing the side cover and closely abutting the side cover, and the outer diameter of each of the heat dissipating components closely matches the middle frame, and the middle frame is radially outer peripheral wall at one end a plurality of heat dissipation holes are formed in the ring shape, and the heat dissipation holes respectively correspond to the plurality of flow channels between the radial fins at one end of the outer rotor; and by the above structure, when the inner stator is electrically conductive, the outer rotor is rotated The power is output, and the cold air flows into the motor from the side covers. At this time, the heat dissipating component rotates to discharge the internal hot air through the flow channels and the heat dissipation holes by centrifugal force, so as to effectively improve the heat dissipation.
其中,該內定子軸向穿設數散熱通道,各該散熱通道彼此相互平行並以該軸心為中心呈環狀排列。 The inner stator is axially disposed with a plurality of heat dissipation channels, and the heat dissipation channels are parallel to each other and arranged in a ring shape centering on the axis.
其中,該中框另一端於外周壁環狀再設數散熱孔對應匹配該外轉子軸向另一端增設另一個散熱元件之數放射狀鰭片之間的數流道。 The other end of the middle frame is annularly disposed on the outer peripheral wall, and the plurality of heat dissipation holes are matched to the number of flow passages between the number of radial fins of the other end of the outer rotor and the other end of the outer rotor.
其中,各該側蓋內之該軸心外周壁穿設一通道,該通道連通至該軸心之軸向開放端。 The outer peripheral wall of the shaft in each of the side covers is provided with a passage that communicates with the axially open end of the shaft center.
其中,各該側蓋的其中一個於圓心向外凸設一動力輸出部。 Wherein, one of the side covers protrudes outwardly from the center of the center to provide a power output portion.
其中,該軸心之兩端各套設一減震元件,該減震元件呈環狀包覆該軸心,且分別固設於一定位座中。 Wherein, the two ends of the shaft are respectively provided with a damper element, and the damper element is annularly wrapped around the shaft center, and is respectively fixed in a positioning seat.
對照先前技術之功效:本新型固設至少一該散熱元件於該外轉子兩端與各該側蓋之間,且各該放射狀鰭片之間的各該流道對應匹配於該中框之散熱孔,運轉時有利於冷空氣於各該側蓋進入馬達內,內部熱空氣再經轉動各該散熱元件之各該放射狀鰭片的各該流道於各該散熱孔排出,達成高效率空氣循環冷卻之目的。 According to the prior art, at least one heat dissipating component is fixed between the two ends of the outer rotor and each of the side covers, and each of the flow channels between the radial fins is matched with the middle frame. The heat dissipation holes are arranged to facilitate the flow of cold air into the motor in each of the side covers, and the internal hot air is further rotated through the respective heat dissipation holes of each of the radiating fins of the heat dissipating component to achieve high efficiency. The purpose of air circulation cooling.
有關本新型所採用之技術、手段及其功效,茲舉一較佳實施 例並配合圖式及圖號詳細說明於後,期能使 貴審查委員對本新型有更詳細的瞭解,並使熟悉該項技術者能據以實施,以下所述者僅在於解釋較佳實施例而非在於限制本新型之範圍,故凡有以本新型之結構為基礎,而為本新型之任何形式的變更或修飾,皆屬於本新型意圖保護之範疇。 For the technology, means and efficacy of the novel, a preferred implementation In the following, the detailed description of the drawings and the drawings will enable the reviewing committee to have a more detailed understanding of the present invention and enable those skilled in the art to implement it. The following is only to explain the preferred embodiment. Rather than limiting the scope of the present invention, any changes or modifications of the present invention which are based on the structure of the present invention are intended to be within the scope of the present invention.
10‧‧‧內定子 10 ‧ ‧ inner stator
11‧‧‧軸心 11‧‧‧Axis
13‧‧‧散熱通道 13‧‧‧heating channel
20‧‧‧外轉子 20‧‧‧Outer rotor
22‧‧‧鋁柱 22‧‧‧Aluminum column
23‧‧‧環凸緣 23‧‧‧ ring flange
30‧‧‧中框 30‧‧‧ middle frame
31‧‧‧側蓋 31‧‧‧ side cover
32‧‧‧散熱孔 32‧‧‧ vents
40‧‧‧散熱元件 40‧‧‧Heat components
41‧‧‧放射狀鰭片 41‧‧‧ Radial fins
42‧‧‧流道 42‧‧‧ flow path
110‧‧‧通道 110‧‧‧ channel
111‧‧‧減震元件 111‧‧‧Vibration element
112‧‧‧定位座 112‧‧‧ Positioning Block
310‧‧‧軸承 310‧‧‧ bearing
311‧‧‧動力輸出部 311‧‧‧Power Output Department
312‧‧‧孔洞 312‧‧‧ hole
第1圖:係本新型之第一實施例之馬達外觀立體圖。 Fig. 1 is a perspective view showing the appearance of a motor of a first embodiment of the present invention.
第2圖:係本新型之第一實施例之馬達立體分解圖。 Fig. 2 is a perspective exploded view of the motor of the first embodiment of the present invention.
第3圖:係本新型之第一實施例之馬達透視示意圖。 Fig. 3 is a perspective view showing the motor of the first embodiment of the present invention.
第4圖:係本新型之第一實施例之馬達部分軸向立體剖面圖。 Fig. 4 is an axial perspective sectional view showing a motor portion of the first embodiment of the present invention.
第5圖:係本新型之第一實施例之馬達徑向立體剖面圖。 Fig. 5 is a radial cross-sectional view of the motor of the first embodiment of the present invention.
第6圖:係本新型之第一實施例之馬達作動時空氣流動示意圖。 Fig. 6 is a schematic view showing the flow of air when the motor of the first embodiment of the present invention is actuated.
第7圖:係本新型之第二實施例之馬達外觀立體圖。 Fig. 7 is a perspective view showing the appearance of a motor of a second embodiment of the present invention.
第8圖:係本新型之第二實施例之馬達作動時空氣流動示意圖。 Fig. 8 is a schematic view showing the flow of air when the motor of the second embodiment of the present invention is actuated.
第9圖:係本新型之馬達安裝於跑步機內之透視示意圖。 Figure 9 is a perspective view of the motor of the present invention installed in a treadmill.
請參閱第1至第9圖如下所示,本新型實施例提供一種跑步機用三相感應外轉式馬達之散熱裝置,係包含:一內定子10,該內定子10軸向兩端圓心處凸設一軸心11;一外轉子20,該外轉子20為中空圓柱體且於軸向環狀設數穿孔(圖未示),各該穿孔內分別灌注形成數鋁柱22,各該鋁柱22凸設於該外轉子20之軸向兩端,且兩端各該鋁柱22相互連接於兩端各形成一環凸緣23, 以及該外轉子20之內徑套設於該內定子10外周壁;此外該外轉子20之外周壁固設於一中框30之內徑,該中框30為中空圓筒且軸向兩端分別固設一側蓋31,各該側蓋31設數孔洞312,且於面向該中框30內之各該側蓋31中心處各設一軸承310,再將該軸心11兩端穿設於各該軸承310之內徑,此外至少一散熱元件40固設該外轉子20軸向其中一端,且位於該側蓋31與該外轉子20之間;各該散熱元件40為環形片狀且以環形之中心於該散熱元件40凸設數放射狀鰭片41,各該放射狀鰭片41朝向該側蓋31且緊密抵靠於該側蓋31,同時各該散熱元件40之外徑緊密配合該中框30,此外該中框30於一端徑向外周壁環狀開設數散熱孔32,各該散熱孔32分別對應匹配於該外轉子20一端之各該放射狀鰭片41之間的數流道42;藉由上述結構,當該內定子10導電時,使該外轉子20轉動以輸出動力,同時冷空氣由各該側蓋31流入馬達內,此時各該散熱元件40轉動以離心力將內部熱空氣經各該流道42及各該散熱孔32排出,以達成有效提高散熱之目的。 Please refer to the first to ninth figures. The present invention provides a heat dissipation device for a three-phase induction external rotation motor for a treadmill, comprising: an inner stator 10, the inner ends of the inner stator 10 are axially An outer shaft 11 is protruded; an outer rotor 20 is a hollow cylinder and a plurality of perforations are arranged in the axial direction (not shown), and each of the perforations is respectively filled with a plurality of aluminum columns 22, each of the aluminum The column 22 is protruded from the axial ends of the outer rotor 20, and the aluminum posts 22 at both ends are connected to each other to form a ring flange 23 at each end. The outer diameter of the outer rotor 20 is sleeved on the outer peripheral wall of the inner stator 10; the outer peripheral wall of the outer rotor 20 is fixed to the inner diameter of a middle frame 30, which is a hollow cylinder and has axial ends. A side cover 31 is respectively fixed, and each of the side covers 31 is provided with a plurality of holes 312, and a bearing 310 is disposed at a center of each of the side covers 31 facing the middle frame 30, and the two ends of the shaft 11 are disposed. In the inner diameter of each of the bearings 310, at least one heat dissipating member 40 is fixed to one of the axial ends of the outer rotor 20, and is located between the side cover 31 and the outer rotor 20; each of the heat dissipating members 40 is annular and The plurality of radial fins 41 are protruded from the center of the ring, and the radial fins 41 face the side cover 31 and closely abut the side cover 31, and the outer diameter of each of the heat dissipating members 40 is tight. The middle frame 30 is further provided with a plurality of heat dissipation holes 32 annularly at one end of the radially outer peripheral wall, and the heat dissipation holes 32 are respectively matched between the radial fins 41 of one end of the outer rotor 20. The flow path 42; by the above structure, when the inner stator 10 is electrically conductive, the outer rotor 20 is rotated to output power while the cold air is The side cover 31 into the motor, when each of the heat dissipating member 40 is rotated a centrifugal force to the interior of each of the hot air through the cooling flow passage 42 and each exhaust hole 32, to achieve the purpose of improving the effective heat radiation of.
其中,該內定子10軸向穿設數散熱通道13,各該散熱通道13彼此相互平行並以該軸心11為中心呈環狀排列。 The inner stator 10 is axially disposed with a plurality of heat dissipation channels 13 , and the heat dissipation channels 13 are parallel to each other and arranged in a ring shape around the axis 11 .
其中,該中框30另一端於外周壁環狀再設數散熱孔32對應匹配該外轉子20軸向另一端增設另一個散熱元件40之數放射狀鰭片41之間的數流道42。 The other end of the middle frame 30 is annularly disposed on the outer peripheral wall, and the plurality of heat dissipation holes 32 are correspondingly matched with the number of flow passages 42 between the number of radial fins 41 of the other heat dissipating component 40 at the other end of the outer rotor 20.
其中,各該側蓋31內之該軸心11外周壁穿設一通道110,該通道110連通至該軸心11之軸向開放端。 The outer peripheral wall of the shaft 11 in each of the side covers 31 is bored with a passage 110 that communicates with the axially open end of the shaft center 11.
其中,各該側蓋31其中一個於圓心向外凸設一動力輸出部311。 One of the side covers 31 has a power output portion 311 protruding outward from the center of the circle.
其中,該軸心11之兩端各套設一減震元件111,該減震元件111呈環狀包覆該軸心11,且分別固設於一定位座112中。 A damping element 111 is disposed on each end of the shaft 11 , and the damping element 111 is annularly wrapped around the shaft 11 and fixed in a positioning seat 112 .
請參閱第1至第6圖所示,當本新型作動時,控制導通電流至該內定子10產生磁場,令對應該外轉子20產生轉動,其中該外轉子20外徑固設於該中框30內徑,且該中框30軸向兩側分別固設各該側蓋31,並於各該側蓋31中心處各固設該軸承310,各該軸承310內徑穿設該內定子10之該軸心11,藉此該外轉子20及該中框30轉動時,使其中之一該側蓋31之該動力輸出部311能同步轉動持續輸出動力;特別值得注意的是,本新型該中框30內該外轉子20與各該側蓋31之間分別固設各該散熱元件40,且向各該側蓋31凸設各該放射狀鰭片41,各該放射狀鰭片41之間的各該流道42對應匹配該中框30其中一端或兩端之各該散熱孔32;請參閱第7至第8圖所示,本新型另一實施例其特徵在於:該內定子10僅一端固設該散熱元件40,且該內定子10於軸向穿設各該散熱通道13,此外各該散熱通道13彼此相互平行並以該軸心11為中心呈環狀排列,藉此供另一端之熱空氣流通透過各該散熱孔32排出;藉由上述結構,使各該放射狀鰭片41之間的各該流道42對應匹配於該中框30其中一端或兩端之各該散熱孔32,有利於運轉時使冷空氣於各該側蓋31進入馬達內,且流經該散熱通道13以及各該散熱元件40轉動之各該放射狀鰭片41的各該流道42將內部熱空氣由各該散熱孔32排出,不 僅達成提高空氣循環冷卻效率,同時延長內部零組件及馬達壽命之目的。 Referring to FIGS. 1 to 6, when the present invention is actuated, the conduction current is controlled to generate a magnetic field to the inner stator 10 to cause rotation of the outer rotor 20, wherein the outer diameter of the outer rotor 20 is fixed to the middle frame. Each of the side covers 31 is fixed to each of the two sides of the middle frame 30, and the bearing 310 is fixedly disposed at the center of each of the side covers 31. The inner diameter of each of the bearings 310 passes through the inner stator 10. When the outer rotor 20 and the middle frame 30 are rotated, one of the power output portions 311 of the side cover 31 can be synchronously rotated to continuously output power; it is particularly worth noting that the present invention Each of the heat dissipating elements 40 is fixed between the outer rotor 20 and each of the side covers 31 in the middle frame 30, and each of the radial fins 41 is protruded from each of the side covers 31, and each of the radial fins 41 Each of the flow passages 42 corresponds to each of the heat dissipation holes 32 of one or both ends of the middle frame 30; as shown in FIGS. 7 to 8, another embodiment of the present invention is characterized in that the inner stator 10 is The heat dissipating component 40 is fixed to the inner end of the heat dissipating channel 13 , and the heat dissipating channels 13 are mutually connected to each other. Parallel and arranged in a ring shape around the axis 11 , whereby the hot air of the other end flows through the respective heat dissipation holes 32; by the above structure, each of the flows between the radial fins 41 The channel 42 is matched with each of the heat dissipation holes 32 of one or both ends of the middle frame 30, which facilitates running cold air into the motor in each side cover 31 during operation, and flows through the heat dissipation channel 13 and the heat dissipation components. Each of the flow passages 42 of each of the radial fins 41 that rotates 40 discharges internal hot air from each of the heat dissipation holes 32, Only achieve the goal of improving air circulation cooling efficiency while extending the life of internal components and motors.
歸納上述所說,本新型同時具有上述眾多效能與實用價值,並可有效提升整體的經濟效益,因此本新型確實為一創意極佳的結構,且在相同領域技術中未見相同或近似之產品公開使用,應已符合新型專利之要件,爰依法提出申請,並請賜予本新型專利。 In summary, the present invention has many of the above-mentioned efficiencies and practical values, and can effectively improve the overall economic benefits. Therefore, the present invention is indeed an innovative structure, and the same or similar products are not seen in the same field technology. For public use, it should meet the requirements of the new patent, and apply in accordance with the law, and please give this new patent.
20‧‧‧外轉子 20‧‧‧Outer rotor
22‧‧‧鋁柱 22‧‧‧Aluminum column
23‧‧‧環凸緣 23‧‧‧ ring flange
30‧‧‧中框 30‧‧‧ middle frame
31‧‧‧側蓋 31‧‧‧ side cover
32‧‧‧散熱孔 32‧‧‧ vents
40‧‧‧散熱元件 40‧‧‧Heat components
41‧‧‧放射狀鰭片 41‧‧‧ Radial fins
311‧‧‧動力輸出部 311‧‧‧Power Output Department
312‧‧‧孔洞 312‧‧‧ hole
Claims (6)
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TW104216989U TWM517957U (en) | 2015-10-23 | 2015-10-23 | Heat dissipation device of three-phase induction external rotation type motor for treadmill |
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TW104216989U TWM517957U (en) | 2015-10-23 | 2015-10-23 | Heat dissipation device of three-phase induction external rotation type motor for treadmill |
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TWM517957U true TWM517957U (en) | 2016-02-21 |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI636644B (en) * | 2017-02-21 | 2018-09-21 | 國立臺灣大學 | Cooling structure for motor and method thereon |
US10441844B2 (en) | 2016-07-01 | 2019-10-15 | Icon Health & Fitness, Inc. | Cooling systems and methods for exercise equipment |
US10471299B2 (en) | 2016-07-01 | 2019-11-12 | Icon Health & Fitness, Inc. | Systems and methods for cooling internal exercise equipment components |
US10918905B2 (en) | 2016-10-12 | 2021-02-16 | Icon Health & Fitness, Inc. | Systems and methods for reducing runaway resistance on an exercise device |
US11058914B2 (en) | 2016-07-01 | 2021-07-13 | Icon Health & Fitness, Inc. | Cooling methods for exercise equipment |
US11794070B2 (en) | 2019-05-23 | 2023-10-24 | Ifit Inc. | Systems and methods for cooling an exercise device |
-
2015
- 2015-10-23 TW TW104216989U patent/TWM517957U/en not_active IP Right Cessation
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10441844B2 (en) | 2016-07-01 | 2019-10-15 | Icon Health & Fitness, Inc. | Cooling systems and methods for exercise equipment |
US10471299B2 (en) | 2016-07-01 | 2019-11-12 | Icon Health & Fitness, Inc. | Systems and methods for cooling internal exercise equipment components |
TWI698266B (en) * | 2016-07-01 | 2020-07-11 | 美商愛康運動與健康公司 | Exercise machine |
US11058914B2 (en) | 2016-07-01 | 2021-07-13 | Icon Health & Fitness, Inc. | Cooling methods for exercise equipment |
US10918905B2 (en) | 2016-10-12 | 2021-02-16 | Icon Health & Fitness, Inc. | Systems and methods for reducing runaway resistance on an exercise device |
TWI636644B (en) * | 2017-02-21 | 2018-09-21 | 國立臺灣大學 | Cooling structure for motor and method thereon |
US11794070B2 (en) | 2019-05-23 | 2023-10-24 | Ifit Inc. | Systems and methods for cooling an exercise device |
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