A modular assembly is described for a power train. An assembly housing includes first and second cavities connected by an inter-cavity passage. An input shaft and an output shaft linked by a first clutch are disposed, at least in part, in the first cavity. A hydraulic control assembly provides hydra
A modular assembly is described for a power train. An assembly housing includes first and second cavities connected by an inter-cavity passage. An input shaft and an output shaft linked by a first clutch are disposed, at least in part, in the first cavity. A hydraulic control assembly provides hydraulic control signals to control, at least in part, the first clutch device. A hydraulic quill insert disposed, at least in part, in the inter-cavity passage, includes a plurality of control passages. The hydraulic quill insert receives the hydraulic control signals and directs the signals to control power flow from the input shaft to the output shaft.
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1. A hydraulic quill insert for routing hydraulic control signals from a hydraulic control assembly to various components included within a housing, the hydraulic quill insert comprising: a cylindrical body with an internal bore;a mounting flange for mounting the cylindrical body to the housing; and
1. A hydraulic quill insert for routing hydraulic control signals from a hydraulic control assembly to various components included within a housing, the hydraulic quill insert comprising: a cylindrical body with an internal bore;a mounting flange for mounting the cylindrical body to the housing; anda plurality of hydraulic input features in hydraulic communication with the hydraulic control assembly; anda plurality of sets of control passages, each set of control passages extending from the internal bore to an associated hydraulic input feature included in the plurality of hydraulic input features, whereby a hydraulic control signal from the hydraulic control assembly to a hydraulic input feature included in the plurality of hydraulic input features is directed through an associated set of control passages included in the plurality of sets of control passages for control of an associated device. 2. The hydraulic quill insert of claim 1, wherein a high-low power-reverser countershaft with first and second clutch devices includes a first geared connection to a first gear of an input shaft included in the housing, a second geared connection via the first clutch device to an output shaft included in the housing, and a third geared connection to the output shaft via the second clutch device and a first idler gear; wherein a high-low countershaft with a third clutch device includes a fourth geared connection to the first gear of the input shaft, and a fifth geared connection to the output shaft via the third clutch device;wherein a power-reverser countershaft with a fourth clutch device includes a sixth geared connection to the first gear of the input shaft, and a seventh geared connection to the output shaft via the fourth clutch device and a second idler gear;wherein the internal bore is configured to separately receive, without modification of the internal bore, each of the high-low power-reverser countershaft, the high-low countershaft, and the power-reverser shaft; andwherein the hydraulic control signal is directed via the associated set of control passages, respectively, to at least one of the first and second clutch devices, to the third clutch device, or to the fourth clutch device, depending on whether the high-low power-reverser countershaft, the high-low countershaft, or the power-reverser countershaft is currently received by the internal bore. 3. The hydraulic quill insert of claim 2, wherein the high-low power-reverser countershaft includes a first set of internal flow passages in communication with the first and second clutch devices; wherein the high-low countershaft includes a second set of internal flow passages in communication with the third clutch device;wherein the power-reverser countershaft includes a third set of internal flow passages in communication with the fourth clutch device; andwherein the hydraulic quill insert separately directs hydraulic control signals from the hydraulic control assembly, respectively and at least in part, into the first set of internal flow passages, the second set of internal flow passages, and the third set of internal flow passages, the hydraulic quill insert directing the hydraulic control signals via one or more of the hydraulic input features and via one or more of the sets of control passages. 4. The hydraulic quill insert of claim 1, wherein the plurality of hydraulic input features includes a plurality of circumferential grooves separated by a plurality of seals; and wherein each set of control passages includes a plurality of control passages extending radially from the internal bore to the circumferential groove of the associated hydraulic input feature. 5. The hydraulic quill insert of claim 1, wherein the housing includes first and second cavities and an inter-cavity passage extending between the first and the second cavities; and wherein the cylindrical body seats within the inter-cavity passage. 6. The hydraulic quill insert of claim 5, wherein a bearing for support of a countershaft inserted in the internal bore seats within the inter-cavity passage against the cylindrical body.
Jackson Marc R. (Pickney MI) Maguire Joel M. (Dearborn MI) Diehl Thomas E. (Ann Arbor MI), Casing assembly adapted for either manual or automatic transmissions.
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