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1. 发明授权

US4719778A Key ring separator 失效
标题翻译：钥匙圈分离器
公开(公告)号：US4719778A
公开(公告)日：1988-01-19
申请号：US832646
申请日：1986-02-24
申请人： Hildegarde J. Murphy , Milo E. Murphy
发明人： Hildegarde J. Murphy , Milo E. Murphy
IPC分类号： A44B15/00 , B25B33/00
CPC分类号： A44B15/005 , Y10T70/7876 , Y10T70/8676 , Y10T70/873
摘要： A triangular, sharp projection is formed in the surface of a key handle, the projection being directed into the interior of a key ring opening formed therein. This key ring projection includes edge recesses formed proximate the base thereof thereby providing a shape forcing the segments of a collapsed helical key ring apart, the recesses then maintaining the ring segments separated for insertion or removal of additional keys. In an alternative implementation the similar key ring separation projection may be formed on articles other than keys that can thus be carried on the key ring for convenience in key removal.
摘要翻译：在钥匙把手的表面上形成一个三角形尖锐的突起，该突起被引导到其中形成的钥匙圈开口的内部。该键环突起包括靠近其底部形成的边缘凹部，从而提供迫使折叠的螺旋键环的分段分开的形状，然后凹部保持环段被分开以插入或移除附加键。在替代实施方案中，类似的钥匙环分离突起可以形成在除了钥匙之外的物品上，因此可以携带在钥匙圈上以方便钥匙移除。

2. 发明授权

US4084658A Tunable expansion chamber for internal combustion engines 失效
标题翻译：内燃机可调式膨胀室
公开(公告)号：US4084658A
公开(公告)日：1978-04-18
申请号：US739196
申请日：1976-11-05
申请人： Milo E. Murphy
发明人： Milo E. Murphy
IPC分类号： F01N1/12 , F02B27/04 , F01N1/00
CPC分类号： F01N1/12
摘要： A two-piece outer casing encloses a volume with a central divider plate which extends the length of the casing. The two portions of the casing are bolted or otherwise clamped about the divider plate. Each half of the outer casing has angled inner ribs or diverters. The diverters in one casing extend at an opposite angle to the longitudinal axis of the central plate as do the diverters of the other outer casing. The inner edges of the diverter seal against the surface of the central plate. The transverse dimension of the central plate is less than the transverse dimension of the diverters and the outer casing such that an exchange aperture is defined between the central plate and the inner surface of the outer casing between adjacent pairs of diverters. The casing has an exhaust input port and an exhaust outlet port at opposite ends and opposite sides. The plate and the diverters and the casing walls define a continuous twisting passage from inlet port to outlet port, the length of which is calculated to "tune" the expansion chamber to the particular engine with which it is to be used.The central divider plate may be varied in width to change the effective length of the continuous passage to further tune the expansion chamber to the engine. Outer fins on the casing provide for heat dissipation.
摘要翻译：一个两件式的外壳包围一个具有中心分隔板的容积，该中心分隔板延伸了套管的长度。壳体的两个部分被螺栓连接或以其他方式夹紧在分隔板周围。外壳的每一半具有成角度的内肋或分流器。一个壳体中的分流器与另一个外壳的分流器一样以与中心板的纵向轴线成相反的角度延伸。分流器的内边缘密封抵靠中心板的表面。中心板的横向尺寸小于分流器和外壳的横向尺寸，使得在相邻的分流器对之间的中心板和外壳的内表面之间限定交换孔。壳体在相对端和相对侧具有排气输入端口和排气出口。板和分流器以及壳体壁限定了从入口到出口的连续扭转通道，其长度被计算为将膨胀室“调节”到要使用的特定发动机。

3. 发明授权

US4049076A Sound damping apparatus 失效
公开(公告)号：US4049076A
公开(公告)日：1977-09-20
申请号：US629682
申请日：1975-11-06
申请人： Milo E. Murphy
发明人： Milo E. Murphy
IPC分类号： B25D17/12 , F01N1/16 , F01N1/22 , F01N1/08
CPC分类号： F01N1/16 , B25D17/12 , F01N1/22
摘要： A sound damping apparatus has a resilient wall that defines a first volume and rigid walls defining a second or third volume. A gas entry communicates with the volume defined by the resilient wall. The resilient wall and the rigid walls are in contact such that gas pressure separates the walls and the wall to intermittently define a gas exit between volumes within the wall.

4. 发明授权

US4049075A Sound damping apparatus 失效
标题翻译：声音抑制装置
公开(公告)号：US4049075A
公开(公告)日：1977-09-20
申请号：US629681
申请日：1975-11-06
申请人： Milo E. Murphy
发明人： Milo E. Murphy
IPC分类号： B25D17/12 , F01N1/16 , F01N1/22
CPC分类号： B25D17/12 , F01N1/16 , F01N1/22
摘要： A sound damping apparatus has a resilient wall that defines a first volume and rigid wall defining a second or third volume. One rigid wall may be a part of the device muffled. A gas entry communicates with the volume defined by the resilient wall. The resilient wall and the rigid walls are in contact such that gas pressure separates the walls and the wall to intermittently define gas passages between volumes. Fluid within the wall surrounding the resilient wall dampens resilient wall vibration.

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