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1. 发明授权

US5194186A Automatic choke 失效
标题翻译：自动选择
公开(公告)号：US5194186A
公开(公告)日：1993-03-16
申请号：US807253
申请日：1991-12-13
申请人： Dag H. Edlund
发明人： Dag H. Edlund
IPC分类号： F02D9/10 , F02M1/02 , F02M1/08 , F02M1/14 , F02M17/04 , F16K1/22
CPC分类号： F02M1/14 , F02M17/04 , Y10T137/7891
摘要： The starting of an i.c. engine usually takes place by carrying out the necessary number of starting attempts with the carburetor choked in order to obtain an ignition. After that, the choke valve (15,23,24) is opened and the engine can be started by making more starting attempts. Thus, the engine does not continue to run when the choke is on. In order to simplify the starting procedure of e.g. a chain saw, the carburetor can be provided with an elastic choke valve. The elastic valve makes the engine start even though the choke valve is closed as the choke valve will yield to the air stream (FIG. 1) and furnish fuel air mixture to the engine. With the engine running, the choke valve can then be opened.
摘要翻译：启动i.c. 发动机通常通过执行必要数量的起动尝试，化油器窒息以获得点火。之后，打开阻气阀（15,23,24），通过进行更多的起动尝试来启动发动机。因此，当扼流器打开时，发动机不会继续运行。为了简化例如链锯，化油器可以设有弹性阻风阀。即使阻塞阀关闭，弹簧阀使发动机起动，因为阻塞阀将产生气流（图1），并向发动机提供燃料空气混合物。随着发动机运转，可以打开节流阀。

2. 发明授权

US4920650A Tension arrangement 失效
标题翻译：张力安排
公开(公告)号：US4920650A
公开(公告)日：1990-05-01
申请号：US315727
申请日：1989-02-24
申请人： Dag H. Edlund
发明人： Dag H. Edlund
IPC分类号： B24B27/06 , B27B17/14
CPC分类号： B27B17/14 , Y10T83/7239
摘要： A chain tension arrangement of a chain saw having a freely displaceable pin (19) in the saw body introduced into suitable hole (21) in the sword (15) and a tension screw (24) in the cover (10) which covers the centrifugal clutch and is included into the attachment of the sword. For the chain tension moment no presetting of the chain tightening arrangement is required. Owing to the shape of the parts those ones get engaged with each other when fitting the cover. Then the chain tightening is effected with a set screw (25) in the cover by means of a simple hand grip and, after that, the sword attachment is tightened.
摘要翻译：链锯的链条张力布置，其具有在锯体内引入到合适的孔（21）中的可自由移动的销（19）的引脚（19）中，并且盖（10）中的张紧螺钉（24）覆盖离心机离合器，并被包括在剑的附件中。对于链条张紧力矩，不需要预紧链条紧固装置。由于零件的形状，这些部件在安装盖子时会彼此接合。然后，通过简单的手柄将固定螺钉（25）固定在盖子上，然后将剑连接件拧紧。

3. 发明授权

US5121822A Centrifugal clutch 失效
标题翻译：离心离合器
公开(公告)号：US5121822A
公开(公告)日：1992-06-16
申请号：US720636
申请日：1991-06-25
申请人： Dag H. Edlund
发明人： Dag H. Edlund
IPC分类号： F16D43/18
CPC分类号： F16D43/18
摘要： The invention relates to a centrifugal clutch with coupling jaws and pressure spring. Usually tension springs are used for the type of couplings which have three jaws. Tension springs have a weak point in their attachment lugs that are in most cases exposed to harder stress than the rest of the spring body. Likewise, the lugs get often indication of fracture during the manufacture of owing to wear. The present proposal aims at getting a higher security against spring breaks by using pressure springs. It is characterized by hole spaces (18,19,29) in jaws (13) and spoke plates (14,15) and by supporting bridges (23) between the spoke plates.
摘要翻译：本发明涉及具有联接爪和压力弹簧的离心式离合器。通常使用拉簧来连接三个钳口的联轴器。拉伸弹簧在其附接凸耳中具有弱点，在大多数情况下，它们暴露于比弹簧体的其余部分更硬的应力。同样，由于磨损，凸耳经常表现出在制造过程中断裂。目前的建议旨在通过使用压力弹簧获得更高的安全防范弹力。其特征在于爪（13）和辐条板（14,15）中的孔空间（18,19,29）和在轮辐板之间支撑桥（23）。

4. 发明授权

US5070618A Tension device for a chain in a chain saw 失效
标题翻译：用于链锯链条的张力装置
公开(公告)号：US5070618A
公开(公告)日：1991-12-10
申请号：US640065
申请日：1991-01-11
申请人： Dag H. Edlund
发明人： Dag H. Edlund
IPC分类号： B27B17/14
CPC分类号： B27B17/14 , Y10T83/7239
摘要： When moving the guide bar on a chain saw in order to adjust the chain tension, the following procedure is applied. Through the guide bar runs a shaft (19) having a slot for a screw driver as well as a shape of a cog-wheel (18) on the inside of the guide bar. The hole in the guide bar is the ordinary hole for a tension pin. The cover (11) above the clutch also keeps the guide bar in place and has an oval opening (23) providing accessibility to the above shaft in all its positions. Inside the guide bar, in the saw body, there is a suitable oblong cavity (16) to make room for the cog-wheel part of the shaft. That cavity has on its lower edge the form of a straight toothed section (17) adapted to the cog-wheel part.
摘要翻译：为了调整链条张力，在链锯上移动导杆时，应用以下步骤。通过导杆运行具有用于螺丝刀的槽的轴（19）以及在导杆内侧上的齿轮（18）的形状。导杆中的孔是用于张紧销的普通孔。离合器上方的盖（11）还将引导杆保持在适当的位置，并且具有椭圆形的开口（23），可在其所有位置上提供对上述轴的可接近性。在导杆内部，在锯体中，有一个合适的长圆形孔（16）为轴的齿轮部分腾出空间。该空腔在其下边缘上具有适合于齿轮部分的直齿形部分（17）的形式。

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