公开(公告)号：US20150060003A1

公开(公告)日：2015-03-05

申请号：US14011070

申请日：2013-08-27

Applicant: GM Global Technology Operations LLC

Inventor： Dale Edward Murrish ,  Keith Hart ,  Maurice G. Meyer

IPC: B22C9/10 ,  B22C9/22 ,  B22D25/02

CPC classification number: B22C9/103 ,  B22C9/108 ,  B22C9/22 ,  B22D25/02 ,  F16C3/08

Abstract: A method of simultaneously manufacturing a plurality of crankshafts includes positioning a core system having a plurality of individual cores within a cavity of a mold having first and second halves forming an exterior shape of the crankshafts. The crankshafts' exterior shape includes a plurality of pin bearing journals and a plurality of main bearing journals. Each of the cores passes through each of the crankshafts. At least one core passes through at least one of the pin bearing journals and at least one other core passes through at least one of the main bearing journals. The method also includes introducing into the cavity molten metal to form the crankshafts. As the metal flows into the cavity and around the plurality of cores, a hollow section extending through at least one of the pin bearing journals and at least one of the main bearing journals of each crankshaft is formed.

Abstract translation: 同时制造多个曲轴的方法包括将具有多个单独芯的芯体定位在具有形成曲轴的外部形状的第一和第二半部的模具的空腔内。 曲轴的外形包括多个销轴承轴颈和多个主轴承轴颈。 每个芯通过每个曲轴。 至少一个芯通过至少一个销轴承轴颈，并且至少一个其它芯穿过至少一个主轴承轴颈。 该方法还包括将腔熔融金属引入以形成曲轴。 当金属流入空腔并围绕多个芯时，形成延伸穿过每个曲轴的至少一个销轴承轴颈和至少一个主轴承轴颈的中空部分。

公开(公告)号：US09186720B2

公开(公告)日：2015-11-17

申请号：US14011070

申请日：2013-08-27

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Dale Edward Murrish ,  Keith Hart ,  Maurice G. Meyer

IPC: B22C9/10 ,  B22C9/22 ,  B22D25/02 ,  F16C3/08

CPC classification number: B22C9/103 ,  B22C9/108 ,  B22C9/22 ,  B22D25/02 ,  F16C3/08

Abstract: A method of simultaneously manufacturing a plurality of crankshafts includes positioning a core system having a plurality of individual cores within a cavity of a mold having first and second halves forming an exterior shape of the crankshafts. The crankshafts' exterior shape includes a plurality of pin bearing journals and a plurality of main bearing journals. Each of the cores passes through each of the crankshafts. At least one core passes through at least one of the pin bearing journals and at least one other core passes through at least one of the main bearing journals. The method also includes introducing into the cavity molten metal to form the crankshafts. As the metal flows into the cavity and around the plurality of cores, a hollow section extending through at least one of the pin bearing journals and at least one of the main bearing journals of each crankshaft is formed.

Abstract translation: 同时制造多个曲轴的方法包括将具有多个单独芯的芯体定位在具有形成曲轴的外部形状的第一和第二半部的模具的空腔内。 曲轴的外形包括多个销轴承轴颈和多个主轴承轴颈。 每个芯通过每个曲轴。 至少一个芯通过至少一个销轴承轴颈，并且至少一个其它芯穿过至少一个主轴承轴颈。 该方法还包括将腔熔融金属引入以形成曲轴。 当金属流入空腔并围绕多个芯时，形成延伸穿过每个曲轴的至少一个销轴承轴颈和至少一个主轴承轴颈的中空部分。

公开(公告)号：US20140137835A1

公开(公告)日：2014-05-22

申请号：US13679118

申请日：2012-11-16

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Dale Edward Murrish ,  Donald J. Perella ,  Keith Hart

IPC: F16C3/06

CPC classification number: F16C3/06 ,  F02B75/06 ,  F02B75/22 ,  F02B2075/1824 ,  F16C3/08 ,  F16C3/20 ,  F16C2360/22 ,  F16F15/283

Abstract: A crankshaft includes first, second, third, and fourth main journals, each coaxially disposed along a crankshaft axis. A first, second, third, fourth, fifth, and sixth crank pin are each parallel with the crankshaft axis, and radially offset from the crankshaft axis. A first crank arm includes a first counterweight, and connects the first main journal and the first crank pin. A third crank arm includes a second counterweight, and connects the second crank pin and the second main journal. A seventh crank arm includes a third counterweight, and connects the third main journal and the fifth crank pin. A ninth crank arm includes a fourth counterweight, and connects the sixth crank pin and the fourth main journal. The first, second, third, and fourth counterweights are the only counterweights of the crankshaft.

Abstract translation: 曲轴包括沿着曲轴轴线同轴设置的第一，第二，第三和第四主轴颈。 第一，第二，第三，第四，第五和第六曲柄销各自与曲轴轴线平行，并且从曲轴轴线径向偏移。 第一曲柄臂包括第一配重，并且连接第一主轴颈和第一曲柄销。 第三曲柄臂包括第二配重，并且连接第二曲柄销和第二主轴颈。 第七曲柄臂包括第三配重，并连接第三主轴颈和第五曲柄销。 第九曲柄臂包括第四配重，并连接第六曲柄销和第四主轴颈。 第一，第二，第三，第四个配重是曲轴的唯一配重。

公开(公告)号：US09664229B2

公开(公告)日：2017-05-30

申请号：US13871117

申请日：2013-04-26

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Dale Edward Murrish ,  Yuchuan Liu ,  Thomas George Halka

IPC: F02B75/32 ,  F16C7/02 ,  F16C9/04 ,  F16C33/10 ,  F16C17/04 ,  F16C17/10

CPC classification number: F16C7/023 ,  F16C9/04 ,  F16C17/047 ,  F16C17/10 ,  F16C33/1075 ,  F16C2360/22 ,  Y10T74/2162

Abstract: A connecting rod for a device includes a rod having a large end, and a cap attached to the large end. The large end of the rod and the cap cooperate to define a first side surface and a second side surface disposed opposite to each other. The large end of the rod and the cap further define a crankshaft bore that extends along a crank axis between the first side surface and the second side surface. A thrust surface is defined by at least one of the first side surface or the second side surface, and is disposed on a thrust plane. The thrust surface includes at least one recessed region that extends inward away from the thrust plane of the thrust surface. Each of the thrust surfaces include ramps that extend between the recessed regions and the flat regions at the thrust plane of the thrust surface.

公开(公告)号：US20170089423A1

公开(公告)日：2017-03-30

申请号：US14870933

申请日：2015-09-30

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Scott A. Hucker ,  Dale Edward Murrish

IPC: F16F15/28 ,  F16C3/06

CPC classification number: F16F15/283 ,  F16C3/06 ,  F16C3/10 ,  F16C3/20 ,  F16F15/322 ,  G01M1/16 ,  G01M1/34

Abstract: A crankshaft includes a plurality of counterweights. Each of the counterweights includes a counterweight body. The counterweight body has a first lateral portion, a second lateral portion, and a central portion between the first lateral portion and the second lateral portion. A method of balancing the crankshaft includes: (a) removing material from the first lateral portion of the counterweight body of at least one of the counterweights; and (b) removing material from the second lateral portion of the counterweight body of at least one of the counterweights in order to balance the crankshaft.

公开(公告)号：US20160084295A1

公开(公告)日：2016-03-24

申请号：US14492714

申请日：2014-09-22

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Dale Edward Murrish ,  Edward R. Romblom ,  Brian J. McClory ,  Ronald M. Tkac ,  Donald J. Perella

IPC: F16C3/08 ,  B22C9/22 ,  F16F15/28 ,  B22D25/02 ,  C22C38/00 ,  B22C9/10 ,  B22D29/00

CPC classification number: F16C3/08 ,  B22C9/10 ,  B22C9/103 ,  B22C9/22 ,  B22D25/02 ,  B22D29/001 ,  C22C38/00 ,  F16F15/283

Abstract: A crankshaft includes a pin bearing journal, and a counterweight. The pin bearing journal defines a hollow pin core. The hollow pin core includes a first pin core section and a second pin core section, and an enlarged central section disposed between the first pin core section and the second pin core section. The first and second pin core sections each define a cross section having a first and second cross sectional area respectively, and the enlarged central section defines a third cross section defining a third cross sectional area, with the third cross sectional area larger than the first and second cross sectional areas. An isolation window extends through the counterweight. The crankshaft is cast from a high shrink steel alloy having a shrinkage factor equal to or greater than 1%. The enlarged central section and the isolation window improve the castability of the high shrink steel alloy.

Abstract translation: 曲轴包括销轴承轴颈和配重。 销轴承轴颈定义了空心销芯。 中空销芯包括第一销芯部分和第二销芯部分，以及设置在第一销芯部分和第二销钉部分之间的扩大中心部分。 第一和第二销芯部分分别限定具有第一和第二横截面面积的横截面，并且扩大的中心部分限定限定第三横截面积的第三横截面，第三横截面积大于第一横截面积 第二横截面。 隔离窗延伸穿过配重。 曲轴由收缩率等于或大于1％的高收缩钢合金铸造。 扩大的中心部分和隔离窗提高了高收缩钢合金的铸造性能。

公开(公告)号：US08967112B2

公开(公告)日：2015-03-03

申请号：US13679118

申请日：2012-11-16

Applicant: GM Global Technology Operations LLC

Inventor： Dale Edward Murrish ,  Donald J. Perella ,  Keith Hart

IPC: F16J15/26

CPC classification number: F16C3/06 ,  F02B75/06 ,  F02B75/22 ,  F02B2075/1824 ,  F16C3/08 ,  F16C3/20 ,  F16C2360/22 ,  F16F15/283

Abstract: A crankshaft includes first, second, third, and fourth main journals, each coaxially disposed along a crankshaft axis. A first, second, third, fourth, fifth, and sixth crank pin are each parallel with the crankshaft axis, and radially offset from the crankshaft axis. A first crank arm includes a first counterweight, and connects the first main journal and the first crank pin. A third crank arm includes a second counterweight, and connects the second crank pin and the second main journal. A seventh crank arm includes a third counterweight, and connects the third main journal and the fifth crank pin. A ninth crank arm includes a fourth counterweight, and connects the sixth crank pin and the fourth main journal. The first, second, third, and fourth counterweights are the only counterweights of the crankshaft.

Abstract translation: 曲轴包括沿着曲轴轴线同轴设置的第一，第二，第三和第四主轴颈。 第一，第二，第三，第四，第五和第六曲柄销各自与曲轴轴线平行，并且从曲轴轴线径向偏移。 第一曲柄臂包括第一配重，并且连接第一主轴颈和第一曲柄销。 第三曲柄臂包括第二配重，并且连接第二曲柄销和第二主轴颈。 第七曲柄臂包括第三配重，并连接第三主轴颈和第五曲柄销。 第九曲柄臂包括第四配重，并连接第六曲柄销和第四主轴颈。 第一，第二，第三，第四个配重是曲轴的唯一配重。

公开(公告)号：US20140367064A1

公开(公告)日：2014-12-18

申请号：US13916763

申请日：2013-06-13

Applicant: GM Global Technology Operations LLC

Inventor： Dale Edward Murrish ,  Keith Hart ,  Maurice G. Meyer

IPC: B22D25/02 ,  F16C3/08 ,  B22C9/22

CPC classification number: B22D25/02 ,  B22C9/108 ,  B22C9/22 ,  F16C3/08 ,  F16C2220/02

Abstract: A method of simultaneously manufacturing a plurality of crankshafts includes positioning a single core within a cavity of a mold having a first half and a second half together forming an exterior shape of the plurality of crankshafts. The exterior shape of each of the plurality of crankshafts produced thereby includes a plurality of pin bearing journals and a plurality of main bearing journals. The method also includes introducing via a mechanism into the cavity a molten metal to form the plurality of crankshafts. As the molten metal flows into the cavity and around the single core, a hollow section extending through at least one of the plurality of pin bearing journals and at least one of the plurality of main bearing journals of each of the plurality of crankshafts is formed. A system for simultaneously manufacturing a plurality of reduced mass crankshafts using the above method is also disclosed.

Abstract translation: 同时制造多个曲轴的方法包括将单个芯体定位在具有第一半和第二半部的模具的空腔内，形成多个曲轴的外部形状。 由此制造的多个曲轴的外形形状包括多个销轴承轴颈和多个主轴承轴颈。 该方法还包括通过机构将熔融金属引入腔中以形成多个曲轴。 当熔融金属流入空腔并围绕单个芯时，形成延伸穿过多个销轴承轴颈中的至少一个并且多个曲轴中的每一个的多个主轴承轴颈中的至少一个的中空部分。 还公开了一种使用上述方法同时制造多个减小曲轴的系统。

公开(公告)号：US20140318494A1

公开(公告)日：2014-10-30

申请号：US13871117

申请日：2013-04-26

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Dale Edward Murrish ,  Yuchuan Liu ,  Thomas George Halka

IPC: F16C7/02

CPC classification number: F16C7/023 ,  F16C9/04 ,  F16C17/047 ,  F16C17/10 ,  F16C33/1075 ,  F16C2360/22 ,  Y10T74/2162

Abstract: A connecting rod for a device includes a rod having a large end, and a cap attached to the large end. The large end of the rod and the cap cooperate to define a first side surface and a second side surface disposed opposite to each other. The large end of the rod and the cap further define a crankshaft bore that extends along a crank axis between the first side surface and the second side surface. A thrust surface is defined by at least one of the first side surface or the second side surface, and is disposed on a thrust plane. The thrust surface includes at least one recessed region that extends inward away from the thrust plane of the thrust surface. Each of the thrust surfaces include ramps that extend between the recessed regions and the flat regions at the thrust plane of the thrust surface.

Abstract translation: 用于装置的连杆包括具有大端的杆和附接到大端的帽。 杆和盖的大端协作以限定彼此相对布置的第一侧表面和第二侧表面。 杆和帽的大端部还限定了曲柄轴孔，该曲轴孔沿第一侧表面和第二侧表面之间的曲柄轴线延伸。 推力表面由第一侧表面或第二侧表面中的至少一个限定，并且设置在推力平面上。 推力表面包括至少一个从推力表面的推力平面向内延伸的凹陷区域。 每个推力表面包括在凹陷区域和在推力表面的推力平面处的平坦区域之间延伸的斜面。