IP Library Granted Patent US 9,651,129
Granted Patent B2
US 9,651,129 · App. 14/522,051 · Granted May 16, 2017

Core ring with cut or lanced features

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Quick Facts
Patent No.
US 9,651,129
App. No.
14/522,051
Granted
May 16, 2017
Kind
B2
Abstract

A core ring for a torque converter comprising: an annular body portion including an inner concave surface, an outer convex surface, an inner circumferential edge, and an outer circumferential edge; a plurality of blade tab slots for receiving a plurality of blades; and at least one positioning element including material protruding axially inward from the inner concave surface to form a tip of the positioning element for aligning a stator. A method for installing a torque converter onto a transmission is also provided.

Claims (30)

1. A core ring for a torque converter comprising:

an annular body portion including:

an inner concave surface;

an outer convex surface;

an inner circumferential edge; and

an outer circumferential edge;

a plurality of blade tab slots for receiving a plurality of blades; and

at least one positioning element disposed radially outward of the inner circumferential edge and including material protruding axially inward from the inner concave surface to form a tip of the positioning element for aligning a stator.

2. The core ring as in claim 1 wherein the at least one positioning element for aligning the stator is situated entirely between the blade tab slots.

3. The core ring as in claim 1 wherein the core ring extends circumferentially about an axis.

4. The core ring as in claim 1 wherein the at least one positioning element is a cut feature.

5. The core ring as in claim 4 wherein the inner circumferential edge is discontinuous.

6. The core ring as in claim 5 wherein the inner circumferential edge is separated into a plurality of areas equal to the number of cut features.

7. The core ring as in claim 1 wherein the at least one positioning element is a lanced feature.

8. The core ring as in claim 7 wherein the inner circumferential edge is continuous.

9. The core ring as in claim 1 wherein the core ring is stamped low carbon steel.

10. A torque converter comprising:

the stator;

the core ring of claim 1 including the at least one positioning element situated entirely between the blade tab slots; and,

a plurality of blades including respective blade tabs disposed in the core ring blade tab slots.

11. The torque converter as in claim 10 wherein the core ring extends circumferentially about an axis.

12. The torque converter as in claim 11 wherein the at least one positioning element is a cut feature.

13. The torque converter as in claim 12 wherein the inner circumferential edge is discontinuous.

14. The torque converter as in claim 13 wherein the inner circumferential edge is separated into a plurality of areas equal to the number of cut features.

15. The torque converter as in claim 11 wherein the at least one positioning element is a lanced feature.

16. The torque converter as in claim 15 wherein the inner circumferential edge is continuous.

17. The torque converter as in claim 10 wherein the core ring is stamped low carbon steel.

18. The torque converter as in claim 10 wherein the stator is cast aluminum.

19. A torque converter comprising: a stator and a core ring for supporting a plurality of blades, the core ring including at least one element for centering the stator, each centering element being entirely situated between the blades.

20. The torque converter as in claim 19 wherein the at least one centering element is a cut or lanced feature.

Assignments (3)
CORRECTIVE ASSIGNMENT TO CORRECT THE PROPERTY NUMBERS PREVIOUSLY RECORDED ON REEL 037732 FRAME 0347. ASSIGNOR(S) HEREBY CONFIRMS THE APP. NO. 14/553248 SHOULD BE APP. NO. 14/553258. Recorded Oct 11, 2016
From: SCHAEFFLER TECHNOLOGIES GMBH & CO. KG
To: SCHAEFFLER TECHNOLOGIES AG & CO. KG
Reel/Frame 040404/0530 →
CHANGE OF NAME Recorded Feb 5, 2016
From: SCHAEFFLER TECHNOLOGIES GMBH & CO. KG
To: SCHAEFFLER TECHNOLOGIES AG & CO. KG
Reel/Frame 037732/0347 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 23, 2014
From: DATTAWADKAR, ADITYA
To: SCHAEFFLER TECHNOLOGIES GMBH & CO. KG; SCHAEFFLER GROUP USA INC.
Reel/Frame 034022/0209 →