Rotary power transmission device with actuator retention feature
AssigneeGKN Automotive AG
InventorToshiaki Komatsu
Life of this patent
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Abstract
A rotary power transmission device includes a housing, a clutch, an actuator and a retaining body. The housing has an annular surface and an interior in which multiple components are received for rotation. The clutch is received within the housing and has a clutch ring selectively engageable with one of said multiple components. The actuator has a limit surface, a coil and a plunger driven for movement along an axis and relative to the clutch, and the plunger is received over and movable along the annular surface. The retaining body has a blocking surface radially overlapped with the limit surface and arranged to be contacted by the limit surface to prevent removal of the plunger from the annular surface.
Claims17
A rotary power transmission device, comprising:
- a housing having an interior in which multiple components are received for rotation, and wherein the housing has an annular surface;
- a clutch received within the housing and having a clutch ring selectively engageable with one of said multiple components;
- an actuator having a coil and a plunger driven for movement along an axis and relative to the clutch, the plunger being received over and movable along the annular surface, and the plunger having a limit surface;
- and
- a retaining body having a blocking surface radially overlapped with the limit surface and arranged to be contacted by the limit surface to prevent removal of the plunger from the annular surface, and wherein the retaining body is carried by and extends radially outward of the annular surface, wherein the housing includes a groove located in a portion of the annular surface over which the plunger is received and movable along and the groove extends radially inwardly into the housing from said portion of the annular surface, and the retaining body is an at least partially annular body that is partially received within the groove and extends out of the groove radially beyond the annular surface.
A rotary power transmission device, comprising:
- a housing having an interior in which multiple components are received for rotation, and wherein the housing has an annular surface;
- a clutch received within the housing and having a clutch ring selectively engageable with one of said multiple components;
- an actuator having an annular wire coil and a plunger driven for movement along an axis and relative to the clutch, the plunger being received over and movable along the annular surface between a first position in which the clutch ring is not engaged with said one of said multiple components and a second position in which the clutch ring is engaged with said one of said multiple components, and the plunger having a radially extending limit surface;
- and
- a retaining body having a blocking surface radially overlapped with the limit surface and arranged to be contacted by the limit surface when the plunger is in the first position, and wherein a groove is provided that extends radially inwardly into the housing from in a portion of the annular surface over which the plunger is received, and the retaining body is an at least partially annular body that is partially received within the groove and extends out of the groove radially beyond the annular surface.
A rotary power transmission device, comprising:
- a housing having an interior in which multiple components are received for rotation, and wherein the housing has an annular surface;
- a clutch received within the housing and having a clutch ring selectively engageable with one of said multiple components;
- an actuator having an annular wire coil and a plunger driven for movement along an axis and relative to the clutch, the plunger being received over and movable along the annular surface between a first position in which the clutch ring is not engaged with said one of said multiple components and a second position in which the clutch ring is engaged with said one of said multiple components, and the plunger having a radially extending limit surface;
- and
- a retaining body having a blocking surface radially overlapped with the limit surface and arranged to be contacted by the limit surface when the plunger is in the first position, and wherein a groove is provided that extends radially inwardly into the housing from the annular surface, and the retaining body is an at least partially annular body that is partially received within the groove and extends out of the groove radially beyond the annular surface, wherein the retaining body is radially overlapped by the plunger when the plunger is in both the first position and the second position.
Dependencies are inferred from the claim text.