公开(公告)号：US20240052777A1

公开(公告)日：2024-02-15

申请号：US18232102

申请日：2023-08-09

申请人： Ronald A. Holland

发明人： Ronald A. Holland

IPC分类号： F02B75/32 ,  F02B75/02

CPC分类号： F02B75/32 ,  F02B75/02

摘要： An internal combustion engines keeps the pistons at or near the Top Dead Center (TDC) for the whole time or most of the time that fuel is burning or while fuel is injected into the engine. A scotch yoke embodiment includes a curved slot to extend the piston's time at TDC. A second embodiment includes a cam on the crankshaft and a follower. The shape of the cam extends the piston's time at TDC.

公开(公告)号：US20230013969A1

公开(公告)日：2023-01-19

申请号：US17944493

申请日：2022-09-14

申请人： Ronald A. Holland

发明人： Ronald A. Holland

IPC分类号： B60K17/04

摘要： A rear drive axle assembly includes fixedly attaching right and left axles to right and left rear wheels. Inner ends of the axles residing in a tube and reach in to almost a center of the vehicle, and extend out through self-aligning, pillow block bearings. Sprockets are attached to the axles between outer ends of the tube and the pillow block bearings. Negligible friction between the axles and tube is the only rotational coupling of the axles. The Rigid Tube provides concentricity between the two axles, provides perpendicularity of the drive wheels to the road surface and performs the function of a sleeve bearing.

公开(公告)号：US20180355695A1

公开(公告)日：2018-12-13

申请号：US16103998

申请日：2018-08-16

申请人： Ronald A. Holland

发明人： Ronald A. Holland

IPC分类号： E21B33/12 ,  E21B33/124

CPC分类号： E21B33/1208 ,  E21B33/124 ,  E21B37/02 ,  E21B43/121 ,  E21B43/16 ,  E21B43/25 ,  E21B2033/005

摘要： A lipless tubular oil seal assembly uses a tubular type of seal. The new seals create only enough pressure against the casing to provide an adequate seal under most conditions and the small amount of oil that would leak by on the roughest well casing surfaces acts as a lubricant. The new seal has no lip so it cannot turn under and get stuck in the well casing like a cup seal, even under the roughest conditions.

公开(公告)号：US20180202348A1

公开(公告)日：2018-07-19

申请号：US15920286

申请日：2018-03-13

申请人： Ronald A. Holland

发明人： Ronald A. Holland

IPC分类号： F02B25/08 ,  F02B23/06 ,  F02B75/28 ,  F02B75/02 ,  F02B75/32 ,  F02M35/10

CPC分类号： F02B25/08 ,  F01B7/14 ,  F02B23/0633 ,  F02B23/0675 ,  F02B25/00 ,  F02B75/02 ,  F02B75/282 ,  F02B75/32 ,  F02B2075/025 ,  F02M35/1019 ,  Y02T10/125

摘要： An opposed piston engine includes approximately spherical combustion chamber formed by the two opposed pistons in a single cylinder and an intake manifold including gas hooks. The combustion chamber has a small cone shaped extension on each side leading to each of two opposed injectors located in the cylinder wall where the two pistons meet at the top of their stroke. The combustion chamber configuration reduces the surface area of the chamber and increases the burn length by a significant amount compared to known designs. The gas hooks in the intake manifold restrict the flow of exhaust gases into the intake manifold long enough for the pressure in the cylinder to blow down and the exhaust gasses to attain high velocity passing out through the exhaust manifold, allowing the intake ports to be uncovered before the exhaust ports.

公开(公告)号：US08374760B2

公开(公告)日：2013-02-12

申请号：US12650396

申请日：2009-12-30

申请人： Mark Snyder ,  Ronald A. Holland

发明人： Mark Snyder ,  Ronald A. Holland

IPC分类号： G06F7/00 ,  G06F17/00 ,  G06F19/00

CPC分类号： F16H61/0437 ,  F16H63/502 ,  F16H2061/0433

摘要： Apparatus and method for efficiently controlling an automatic transmission in an electric vehicle. The method may be implemented by selection of one of at least two belt clutches having different ratios. The timing for disengagement and engagement of each clutch and the proper sequencing of the disengagement and engagement of the clutches is determined to optimize the efficiency of the transmission. A direct drive motor is directly coupled to the transmission's output shaft to provide momentary power to maintain a nearly constant rate of acceleration during shifting. The method may further be applied for shifting an electric vehicle with a first motor coupled to an output shaft through a single belt clutch and a direct drive motor.

摘要翻译： 用于有效地控制电动车辆中的自动变速器的装置和方法。 该方法可以通过选择具有不同比率的至少两个皮带离合器中的一个来实现。 确定每个离合器的脱离和接合的时间以及离合器的分离和接合的适当排序，以优化变速器的效率。 直接驱动电动机直接耦合到变速器的输出轴，以提供瞬时动力，以在变速期间保持几乎恒定的加速度。 该方法可以进一步应用于通过单个皮带离合器和直接驱动马达与耦合到输出轴的第一马达移动电动车辆。

公开(公告)号：US20080115988A1

公开(公告)日：2008-05-22

申请号：US11870220

申请日：2007-10-10

申请人： Ronald A. Holland

发明人： Ronald A. Holland

IPC分类号： B60L15/20

CPC分类号： B62K5/027 ,  B60L11/007 ,  B60L11/1877 ,  B60L15/2036 ,  B60L15/2054 ,  B60L2200/12 ,  B60L2240/507 ,  B60L2250/26 ,  B60W10/02 ,  B60W10/08 ,  B60W30/18027 ,  B62K5/01 ,  B62K2204/00 ,  B62M23/02 ,  Y02T10/645 ,  Y02T10/7005 ,  Y02T10/705 ,  Y02T10/72 ,  Y02T10/7275

摘要： An electric powered vehicle includes a first drive unit and a second drive unit. The first drive unit and the second drive unit are coupled to one of the drive wheels. At its maximum power within the system, the second drive unit drives the vehicle at a higher speed than the first drive unit. A clutch automatically disengages the first drive unit from the drive wheel while the second drive unit is operating. The clutch may include a uni-directional device. An electronic control unit automatically adjusts the voltage supplied to the second drive unit to maintain the efficiency of the second electric drive unit within a predetermined efficiency range.

摘要翻译： 电动车辆包括第一驱动单元和第二驱动单元。 第一驱动单元和第二驱动单元联接到驱动轮之一。 在系统内的最大功率下，第二驱动单元以比第一驱动单元更高的速度驱动车辆。 当第二驱动单元运行时，离合器自动地将第一驱动单元与驱动轮分离。 离合器可以包括单向装置。 电子控制单元自动调节提供给第二驱动单元的电压，以将第二电驱动单元的效率保持在预定的效率范围内。

公开(公告)号：US07314109B2

公开(公告)日：2008-01-01

申请号：US10691951

申请日：2003-10-23

申请人： Ronald A. Holland

发明人： Ronald A. Holland

IPC分类号： B60K1/00 ,  B62K11/00 ,  B62M23/02

CPC分类号： B62M6/60 ,  B62M6/70 ,  B62M6/90

摘要： An electrically powered bicycle includes a hub motor, which is mounted to the bicycle frame by its axle. A drive sprocket mounted to the outer case of motor is engaged by a chain to the sprocket on a multi-speed hub on the rear wheel, so that when the motor turns, it drives the wheel. A freewheel, also mounted to the outer case of motor, is engaged by a chain to the large sprocket on the pedal crank, such that when the motor is operating, it does not turn the pedal sprocket. When the pedals and the motor are both operating and the sprocket on the freewheel is rotated as fast as the motor, the pedals can drive the motor, and consequently, the bicycle. An additional driven sprocket is mounted to the motor case and an additional freewheel is mounted to the multi-speed hub, and both are connected by a third chain so that when the bicycle is coasting (i.e., the motor is not driving the rear wheel), the rear wheel will drive the motor to provide downhill, regenerative braking capability.

摘要翻译： 电动自行车包括轮毂马达，其通过其轴安装到自行车车架上。 安装在电动机外壳上的驱动链轮通过链条链接到后轮上的多速轮毂上的链轮，使得当电动机转动时，其驱动车轮。 也安装在电动机的外壳上的自由轮通过链条接合到踏板曲柄上的大链轮上，使得当电动机操作时，它不会转动踏板链轮。 当踏板和电机均运转时，自由轮上的链轮与电机一样快速旋转，踏板可以驱动电机，从而驱动自行车。 附加的从动链轮安装到电动机壳体上，并且另外的自由轮被安装到多速轮毂上，并且两者都通过第三链条连接，使得当自行车滑行时（即，电动机不驱动后轮） ，后轮将驱动电机提供下坡，再生制动能力。

公开(公告)号：US06874794B2

公开(公告)日：2005-04-05

申请号：US10192947

申请日：2002-07-11

申请人： Ronald A Holland

发明人： Ronald A Holland

IPC分类号： A63C17/14 ,  A63C17/02 ,  A63C17/04 ,  A63C17/22 ,  B60T1/00

CPC分类号： A63C17/1418 ,  A63C17/06 ,  A63C17/1445

摘要： A braking system preferably for an in-line skate includes a brake pad mounted to a forward end of a skate frame and an elevated front wheel attached to the skate frame by two pivot arms. The pivot arms are biased forward which is in a clockwise direction with respect to their pivot point. When skating normally, the pivot arms bias the wheel against the brake pad, but the wheel is elevated from the skating surface and thus the brake is not engaged. When skating in a rearward direction, or desiring a push start, the skater rotates the toe portion of the skate downward and raises the heel. The front wheel will engage the skating surface and the reaction force on the wheel due to friction between it and the skating surface will urge the wheel forward and increase the contact pressure between it and the brake pad. When skating forward, if the skater rotates his or her foot so that the front wheel engages the skating surface, the frictional force between the surface and the wheel causes a rearward force on the wheel away from the brake pad, thus ensuring that the skater will not trip due to sudden braking of the front wheel. An alternate embodiment uses a bearing or bearings as the brake.

摘要翻译： 优选地用于直排式滑冰板的制动系统包括安装到溜冰鞋架的前端的制动衬块和通过两个枢转臂附接到溜冰鞋架的升高的前轮。 枢转臂向前偏置，其相对于其枢转点在顺时针方向。 当正常滑冰时，枢轴将轮偏压在刹车片上，但车轮从滑冰表面升高，因此制动器不接合。 在向后方向滑动或者希望推动开始时，溜冰者将溜冰鞋的脚趾部分向下旋转，并提升脚跟。 前轮将接合滑冰表面，并且由于其与溜冰表面之间的摩擦而使车轮上的反作用力将推动车轮向前并增加其与制动衬块之间的接触压力。 当向前滑动时，如果溜冰者旋转他或她的脚，使得前轮接合滑冰表面，则表面和车轮之间的摩擦力使得车轮上的向后的力离开制动块，从而确保溜冰者将 由于前轮的突然制动而不行驶。 替代实施例使用轴承或轴承作为制动器。

公开(公告)号：US10287971B2

公开(公告)日：2019-05-14

申请号：US15920286

申请日：2018-03-13

申请人： Ronald A. Holland

发明人： Ronald A. Holland

IPC分类号： F02B25/08 ,  F02B23/06 ,  F02B75/28 ,  F02B75/32 ,  F02M35/10 ,  F02B75/02 ,  F02B25/00 ,  F01B7/14

摘要： An opposed piston engine includes approximately spherical combustion chamber formed by the two opposed pistons in a single cylinder and an intake manifold including gas hooks. The combustion chamber has a small cone shaped extension on each side leading to each of two opposed injectors located in the cylinder wall where the two pistons meet at the top of their stroke. The combustion chamber configuration reduces the surface area of the chamber and increases the burn length by a significant amount compared to known designs. The gas hooks in the intake manifold restrict the flow of exhaust gases into the intake manifold long enough for the pressure in the cylinder to blow down and the exhaust gasses to attain high velocity passing out through the exhaust manifold, allowing the intake ports to be uncovered before the exhaust ports.

公开(公告)号：US20100168971A1

公开(公告)日：2010-07-01

申请号：US12650396

申请日：2009-12-30

申请人： Mark Snyder ,  Ronald A. Holland

发明人： Mark Snyder ,  Ronald A. Holland

IPC分类号： G06F19/00 ,  F16H61/04

CPC分类号： F16H61/0437 ,  F16H63/502 ,  F16H2061/0433

摘要： Apparatus and method for efficiently controlling an automatic transmission in an electric vehicle. The method may be implemented by selection of one of at least two belt clutches having different ratios. The timing for disengagement and engagement of each clutch and the proper sequencing of the disengagement and engagement of the clutches is determined to optimize the efficiency of the transmission. A direct drive motor is directly coupled to the transmission's output shaft to provide momentary power to maintain a nearly constant rate of acceleration during shifting. The method may further be applied for shifting an electric vehicle with a first motor coupled to an output shaft through a single belt clutch and a direct drive motor.

摘要翻译： 用于有效地控制电动车辆中的自动变速器的装置和方法。 该方法可以通过选择具有不同比率的至少两个皮带离合器中的一个来实现。 确定每个离合器的脱离和接合的时间以及离合器的分离和接合的适当排序，以优化变速器的效率。 直接驱动电动机直接耦合到变速器的输出轴，以提供瞬时动力，以在变速期间保持几乎恒定的加速度。 该方法可以进一步应用于通过单个皮带离合器和直接驱动马达与耦合到输出轴的第一马达移动电动车辆。