EP0086044A1
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Clutch driven plate assembly with multi-part hub
Assignee: Borg Warner Corp
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Filing: 1983-01-18
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Granted: —
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Expires: 2003-01-18
Abstract
Abstract A clutch driven plate assembly (10) for use in an automotive vehicle having a multi-part hub assembly (11) with the capability of trapping lubricant in the gear teeth when the assembly is subjected to centrifugal force in operation. The hub assembly includes an inner hub (34) in axial splined engagement with the transmission input shaft (12), an outer hub (41) with an integral radial flange (49) and in splined engagement with the inner hub through helical splines (37,43). The inner hub is formed of a light weight non-metallic material, or the outer hub houses an annular spacer formed of an impact and sound-absorbing material to cushion the inner hub upon reciprocation thereof within the outer hub, the outer hub having end plates which act as a dam for lubricant within the intermeshing helical gear teeth.
Inventors
- 👤 Thaddeus Lech, Jr.
- 👤 Kenneth A. Weage
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-08 17:09
CPC Classifications
F; F16; F16F; F16F15/00; F16F15/10; F16F15/12; F16F15/121; F16D; F16D13/00; F16D13/58; F16D13/60; F16D13/64; F16D13/644; F16D3/00; F16D3/02; F16D3/12; F16F15/1207; F16D2013/581
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
219 words
In a clutch driven plate assembly (10) for an automotive vehicle clutch operatively connected to a transmission input shaft (12), wherein the assembly comprises a hub (11) having a radial hub flange (49), a clutch plate (14) and a spring retainer plate (27) secured together to sandwich the hub flange therebetween, friction facings (26) carried by said clutch plate, said plates and hub flange having axially aligned sets of circumferentially spaced windows (16,29,51) therein, and damper springs (19) received in each aligned set of windows, the improvement comprising a multipart hub assembly (11) including an inner hub (34) having an internally splined passage (35) receiving the transmission input shaft, and an outer hub (41) having said radial flange (49) integral therewith, intermeshing helical splines (37,43) formed on the external surface of said inner hub and the internal surface of said outer hub to allow relative axial movement between said hubs upon rotation of the outer hub, motion limiting means (45,46)at the opposite ends of said outer hub, said inner hub having a plurality of axially extending pockets (38) opening from at least one end thereof, and a plurality of compression springs (39) received in said pockets and abutting said motion limiting means (46), at least a portion of said inner hub being formed of a non-metallic resilient impact-absorbing material.
Claim 2
Dependent Claim
219 words
In a clutch driven plate assembly (10) for an automotive vehicle clutch operatively connected to a transmission input shaft (12), wherein the assembly comprises a hub (11) having a radial hub flange (49), a clutch plate (14) and a spring retainer plate (27) secured together to sandwich the hub flange therebetween, friction facings (26) carried by said clutch plate, said plates and hub flange having axially aligned sets of circumferentially spaced windows (16,29,51) therein, and damper springs (19) received in each aligned set of windows, the improvement comprising a multipart hub assembly (11) including an inner hub (34) having an internally splined passage (35) receiving the transmission input shaft, and an outer hub (41) having said radial flange (49) integral therewith, intermeshing helical splines (37,43) formed on the external surface of said inner hub and the internal surface of said outer hub to allow relative axial movement between said hubs upon rotation of the outer hub, motion limiting means (45,46)at the opposite ends of said outer hub, said inner hub having a plurality of axially extending pockets (38) opening from at least one end thereof, and a plurality of compression springs (39) received in said pockets and abutting said motion limiting means (46), at least a portion of said inner hub being formed of a non-metallic resilient impact-absorbing material.
Claim 3
Dependent Claim
26 words
A clutch driven plate assembly as set forth in Claim 1, in which said inner hub member (34) is formed entirely of said resilient impact-absorbing material.
Claim 4
Dependent Claim
43 words
A clutch driven plate assembly as. set forth in Claim 1, in which said motion limiting means comprises a pair of annular end plates (45,46) received in annular grooves formed in the outer hub (41) beyond the ends of said helical splines (43).
Claim 5
Dependent Claim
37 words
A clutch driven plate assembly as set forth in Claim 3, in which one end plate (46) has a smaller diameter central openings (48) than said opposite end plate and is engaged by said compression springs (39).
Claim 6
Dependent Claim
53 words
A clutch driven plate assembly as set forth in Claim 1, in which said motion limiting means comprises an inwardly extending flange (56) at one end of said outer hub and an end plate (46a) received in a groove at the opposite end of said outer hub (41a) beyond said helical splines (43a).
Claim 7
Dependent Claim
22 words
A clutch driven plate assembly as set forth in Claim 5, in which said compression springs (39a) abut said end plate (46a).
Claim 8
Dependent Claim
45 words
A clutch driven plate assembly as set forth in Claim 1, in which said inner hub (34b) comprises a reciprocable hub portion and a stationary annular spacer (63), said spacer being formed of resilient impact-absorbing material to be engaged by said hub portion upon reciprocation.
Claim 9
Dependent Claim
72 words
A clutch driven plate assembly as set forth in Claim 7, wherein said motion limiting means includes at least one end plate (46b) abutting said resilient spacer (63), said spacer having inner axial splines (64) aligned with the splines (35b) of the inner hub (34b) portion and a plurality of passages (65) therethrough axially aligned with and receiving said compression springs (39b) to allow the springs to abut said end plate (46b).
Claim 10
Dependent Claim
36 words
A clutch driven plate assembly as set forth in Claim 8, wherein said spacer (63) is located in the outer hub (41b) between said end plate (46b) and the ends of the helical splines (43b) therein.
Claim 11
Dependent Claim
40 words
A clutch driven plate assembly as set forth in Claim 9, wherein a second end plate (45b) is located in the end of the outer hub (41b) at the opposite ends of the helical splines (43b) from said spacer (63).
Claim 12
Dependent Claim
49 words
A clutch driven plate assembly as set forth in Claim 10, including a second annular spacer (77) formed of resilient impact-absorbing material encompassing said inner hub portion (34c) and located between the ends of the helical splines (43c) in the outer hub (41c) and said second end plate (45c).
Claim 13
Dependent Claim
55 words
A clutch driven plate assembly as set forth in Claim 11, wherein said inner hub portion (34c) has a plurality of axially extending second pockets (69) opening in the opposite direction to the first mentioned pockets, and a plurality of second compression springs (70) received in said second pockets and abutting said second spacer (77).
Claim 14
Dependent Claim
85 words
A clutch driven plate assembly as set forth in Claim 1, in which said inner hub (34c) has a barrel extending axially beyond the forward end of said outer hub (41c) and a radial flange (36c) having said helical splines (37c) on the outer surface thereof, and a resilient shield (74) mounted on the forward end of said hub barrel and having an inwardly directed lip (76) in wiping engagement with the end of the transmission input shaft (12) extending through said inner hub barrel.
Claim 15
Dependent Claim
35 words
A clutch driven plate assembly as set forth in Claim 13, in which the external surface (73) of said hub barrel has an annular groove (72) receiving an annular lip (75) on said shield (74).
References Cited (Backward Citations)
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