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公开(公告)号：US20160017955A1
公开(公告)日：2016-01-21
申请号：US14335301
申请日：2014-07-18
Applicant: Kohler Co.
Inventor： Scott C. Sajdowitz , Christopher D. Thorn , Jonathan T. Bykowski , Tyler W. LeRoy , Roger W. Albert
CPC classification number: F16F15/265 , F02B75/16
Abstract: A balance system for a single cylinder engine is described. The single cylinder engine generates forces, that if left unbalanced, cause significant vibrations or movement to the single cylinder engine and devices driven by the single cylinder engine. The balance shaft includes a primary balance shaft for a first type of forces and at least one secondary balance shaft for a second type of forces. The secondary balance shaft is driven directly by the primary balance shaft. In one example, only one secondary balance shaft may be used, which may leave some forces unbalanced but is more space and cost effective. In another example, two or more secondary balance shafts may be included in a drive chain such that one secondary balance shaft drive the next secondary balance shaft.
Abstract translation: 描述了用于单缸发动机的平衡系统。 单缸发动机产生力，如果不平衡，则会对单缸发动机和由单缸发动机驱动的装置造成显着的振动或运动。 平衡轴包括用于第一类力的主平衡轴和用于第二类力的至少一个次平衡轴。 二次平衡轴由主平衡轴直接驱动。 在一个示例中，可以仅使用一个二次平衡轴，其可能留下一些不平衡的力，但是具有更大的空间和成本效益。 在另一示例中，两个或更多个次级平衡轴可以包括在驱动链中，使得一个次级平衡轴驱动下一个次级平衡轴。
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公开(公告)号：US09797412B2
公开(公告)日：2017-10-24
申请号：US15208268
申请日：2016-07-12
Applicant: Kohler Co.
Inventor： Tyler W. Le Roy , Jonathan T. Bykowski , Roger W. Albert
IPC: F04D29/66 , F04D29/58 , F01P11/12 , F04D17/16 , F04D29/42 , A01D34/82 , F01P5/02 , F02F1/06 , F01P5/06
CPC classification number: F04D29/665 , A01D34/826 , F01P5/02 , F01P5/06 , F01P11/12 , F02F1/065 , F04D17/16 , F04D29/4213 , F04D29/4226 , F04D29/424 , F04D29/582
Abstract: A noise suppression system for an air-cooled internal combustion engine is disclosed. The system may include an acoustically designed shroud forming a cavity and configured for attenuating noise produced by a cooling air fan associated with the engine. In one system, the shroud is mountable on a housing of the air fan. A pair of air inlet passages may be provided which are operable to draw ambient cooling air into the shroud to the fan. The air inlet passages are acoustically configured and tuned to attenuate noise generated by the fan. In one system, the air inlet passages may each be formed in a rear quadrant of the shroud. Various configurations of the shroud may include quarter wave resonators and/or micro-perforated panels to further attenuate fan noise.
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公开(公告)号：US20160319844A1
公开(公告)日：2016-11-03
申请号：US15208268
申请日：2016-07-12
Applicant: Kohler Co.
Inventor： Tyler W. Le Roy , Jonathan T. Bykowski , Roger W. Albert
CPC classification number: F04D29/665 , A01D34/826 , F01P5/02 , F01P5/06 , F01P11/12 , F02F1/065 , F04D17/16 , F04D29/4213 , F04D29/4226 , F04D29/424 , F04D29/582
Abstract: A noise suppression system for an air-cooled internal combustion engine is disclosed. The system may include an acoustically designed shroud forming a cavity and configured for attenuating noise produced by a cooling air fan associated with the engine. In one system, the shroud is mountable on a housing of the air fan. A pair of air inlet passages may be provided which are operable to draw ambient cooling air into the shroud to the fan. The air inlet passages are acoustically configured and tuned to attenuate noise generated by the fan. In one system, the air inlet passages may each be formed in a rear quadrant of the shroud. Various configurations of the shroud may include quarter wave resonators and/or micro-perforated panels to further attenuate fan noise.
Abstract translation: 公开了一种用于风冷内燃机的噪声抑制系统。 该系统可以包括形成空腔的声学设计的罩，并且构造成用于衰减与发动机相关联的冷却风扇产生的噪音。 在一个系统中，护罩可安装在风扇的壳体上。 可以设置一对空气入口通道，其可操作以将环境冷却空气吸入到风扇的罩中。 空气入口通道被声学配置和调谐以衰减由风扇产生的噪音。 在一个系统中，空气入口通道可分别形成在护罩的后象限中。 护罩的各种构造可以包括四分之一波形谐振器和/或微孔板，以进一步衰减风扇噪声。
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公开(公告)号：US09388731B2
公开(公告)日：2016-07-12
申请号：US13839907
申请日：2013-03-15
Applicant: Kohler Co.
Inventor： Tyler W. Le Roy , Jonathan T. Bykowski , Roger W. Albert
CPC classification number: F04D29/665 , A01D34/826 , F01P5/02 , F01P5/06 , F01P11/12 , F02F1/065 , F04D17/16 , F04D29/4213 , F04D29/4226 , F04D29/424 , F04D29/582
Abstract: A noise suppression system for an air-cooled internal combustion engine is disclosed. The system may include an acoustically designed shroud forming a cavity and configured for attenuating noise produced by a cooling air fan associated with the engine. In one system, the shroud is mountable on a housing of the air fan. A pair of air inlet passages may be provided which are operable to draw ambient cooling air into the shroud to the fan. The air inlet passages are acoustically configured and tuned to attenuate noise generated by the fan. In one system, the air inlet passages may each be formed in a rear quadrant of the shroud. Various configurations of the shroud may include quarter wave resonators and/or micro-perforated panels to further attenuate fan noise.
Abstract translation: 公开了一种用于风冷内燃机的噪声抑制系统。 该系统可以包括形成空腔的声学设计的罩，并且构造成用于衰减与发动机相关联的冷却风扇产生的噪音。 在一个系统中，护罩可安装在风扇的壳体上。 可以设置一对空气入口通道，其可操作以将环境冷却空气吸入到风扇的罩中。 空气入口通道被声学配置和调谐以衰减由风扇产生的噪音。 在一个系统中，空气入口通道可分别形成在护罩的后象限中。 护罩的各种构造可以包括四分之一波形谐振器和/或微孔板，以进一步衰减风扇噪声。
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