Patent US5361650A successfully refreshed from Google Patents.
US5361650A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transmission having externally mounted electronic control unit
Assignee: Eaton Corp
•
Filing: 1993-02-23
•
Granted: 1994-11-08
•
Expires: 2013-02-23
Abstract
Abstract A transmission assembly having an electronic control unit detachably mounted to the exterior of a transmission is disclosed. The transmission assembly comprises the transmission, a cover mounted to the transmission, and a circuit board for controlling the transmission. The circuit board is substantially encased in a potting material, and is detachably fastened by bolts to the cover. The potting material forms a casing around the circuit board, and the casing has a series of ribs adapted for contact with the cover to reduce the transfer of vibrations to the circuit board. The potting material is preferably silicone based, and substantially transparent to permit visual inspection of the electronic components of the circuit board.
Inventors
- 👤 Donald L. Klecker
- 👤 Bruce Vincent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:11
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/0003; F16H61/0006; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2186
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
75 words
A transmission assembly comprising: a transmission adapted to selectively establish a ratio between the speed of rotation of an input shaft and the speed of rotation of an output shaft; a cover mounted to the housing of the transmission; a circuit board for controlling the transmission, the circuit board being substantially encased in a potting material to form a casing around the circuit board; and fastening means for detachably fastening the casing to the cover.
Claim 2
Dependent Claim
75 words
A transmission assembly comprising: a transmission adapted to selectively establish a ratio between the speed of rotation of an input shaft and the speed of rotation of an output shaft; a cover mounted to the housing of the transmission; a circuit board for controlling the transmission, the circuit board being substantially encased in a potting material to form a casing around the circuit board; and fastening means for detachably fastening the casing to the cover.
Claim 3
Dependent Claim
19 words
The transmission of claim 1 wherein the casing has at least one rib adapted for contact with the cover.
Claim 4
Dependent Claim
12 words
The transmission of claim 1 wherein the potting material is substantially transparent.
Claim 5
Dependent Claim
12 words
The transmission of claim 1 wherein the potting material is silicone based.
Claim 6
Dependent Claim
12 words
The transmission of claim 1 wherein the potting material is urethane based.
Claim 7
Independent Claim
63 words
A method of equipping a transmission with an electronic control unit, the method comprising placing a circuit board into a mold; introducing a potting material into the mold; curing the potting material so that the circuit board is substantially encased in the potting material; removing the potted circuit board from the mold; and operatively connecting the circuit board to controls of the transmission.
Claim 8
Independent Claim
63 words
A method of equipping a transmission with an electronic control unit, the method comprising placing a circuit board into a mold; introducing a potting material into the mold; curing the potting material so that the circuit board is substantially encased in the potting material; removing the potted circuit board from the mold; and operatively connecting the circuit board to controls of the transmission.
Claim 9
Dependent Claim
15 words
The method of claim 6 further comprising fastening the potted circuit board to a cover.
Claim 10
Dependent Claim
11 words
The method of claim 7 wherein the fastening step comprising bolting.
Claim 11
Dependent Claim
25 words
The method of claim 7 wherein the fastening step comprises extending a bolt through the potting material so that the bolt engages the circuit board.
Claim 12
Dependent Claim
16 words
The method of claim 7 further comprising mounting the cover to the exterior of the transmission.
Claim 13
Dependent Claim
12 words
The method of claim 6 wherein the potting material is substantially transparent.
Claim 14
Dependent Claim
12 words
The method of claim 6 wherein the potting material is silicone based.
Claim 15
Dependent Claim
12 words
The method of claim 6 wherein the potting compound is urethane based.
Claim 16
Dependent Claim
21 words
The method of claim 6 further comprising spraying a mold release agent into the mold prior to introducing the potting material.
References Cited (Backward Citations)
US4596743A
Cited
US4552818A
Cited
US4707763A
Cited
US4784019A
Cited
US4636920A
Cited
US4895998A
Cited
US5311398A
Cited
US5109729A
Cited
US5109721A
Cited
US5185498A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1997-11-07 | 1998-05-09 | 1998-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-11-07 | 2002-05-09 | 2002-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-11-07 | 2006-05-09 | 2006-11-08 | $7700.00 | Window Closed / Lapsed |