US3722301A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power shift planetary and countershaft transmission
Assignee: Deutz Allis Corp
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Filing: 1971-10-22
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Granted: 1973-03-27
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Expires: 1991-10-22
Abstract
Abstract A power shift transmission having planetary and countershaft gearing with clutch carriers for selectively transmitting power through the front planetary gearset or countershaft gearset with rear clutch carriers for transmitting through the rear planetary gearset to the output shaft.
Inventors
- 👤 J Crooks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:36
CPC Classifications
F; F16; F16H; F16H37/00; F16H37/02; F16H37/04; F16H3/00; F16H3/44; F16H3/62; F16H3/66; F16H2200/00; F16H2200/003; F16H2200/0056; F16H2200/20; F16H2200/2002; F16H2200/2007; F16H2200/203; F16H2200/2046; F16H2702/00
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
258 words
A transmission including an input and an output shaft rotatably mounted in a transmission housing, a front planetary gearset having a sun gear connected to said input shaft, a rear planetary gearset having a planetary carrier connected to said output shaft, means connecting the planetary carrier of the front planetary gearset to the ring gear of the rear planetary gearset, a front clutch carrier mounted coaxially with said front planetary gearset carrying a plurality of clutches and a drive gear, a first rear clutch carrier mounted coaxially on the planetary carrier of said rear planetary gearset carrying a clutch, a second rear clutch carrier mounted coaxially with said rear planetary gearset carrying a clutch and a driven gear, a countershaft gearset mounted in said transmission housing engaging said drive gear on said front clutch carrier and said driven gear on the second of said rear clutch carriers to provide countershaft gearing, one friction member included in each clutch of said front clutch carrier and said first and second of said rear clutch carriers, means connecting one of said friction members to one single element including a ring gear, a sun gear, a planetary carrier of the front planetary gearset and the sun gear of said rear planetary gearset for selectively clutching said elements of said planetary gearsets to the respective clutch carrier, a brake on said transmission housing for braking said front clutch carrier to said transmission housing, control means for selectively actuating said brake and clutches for transmission of power through said transmission at selected speed ratios.
Claim 2
Dependent Claim
258 words
A transmission including an input and an output shaft rotatably mounted in a transmission housing, a front planetary gearset having a sun gear connected to said input shaft, a rear planetary gearset having a planetary carrier connected to said output shaft, means connecting the planetary carrier of the front planetary gearset to the ring gear of the rear planetary gearset, a front clutch carrier mounted coaxially with said front planetary gearset carrying a plurality of clutches and a drive gear, a first rear clutch carrier mounted coaxially on the planetary carrier of said rear planetary gearset carrying a clutch, a second rear clutch carrier mounted coaxially with said rear planetary gearset carrying a clutch and a driven gear, a countershaft gearset mounted in said transmission housing engaging said drive gear on said front clutch carrier and said driven gear on the second of said rear clutch carriers to provide countershaft gearing, one friction member included in each clutch of said front clutch carrier and said first and second of said rear clutch carriers, means connecting one of said friction members to one single element including a ring gear, a sun gear, a planetary carrier of the front planetary gearset and the sun gear of said rear planetary gearset for selectively clutching said elements of said planetary gearsets to the respective clutch carrier, a brake on said transmission housing for braking said front clutch carrier to said transmission housing, control means for selectively actuating said brake and clutches for transmission of power through said transmission at selected speed ratios.
Claim 3
Dependent Claim
102 words
A transmission as set forth in claim 1 wherein said transmission includes said brake mounted on the transmission housing including a friction member connected to the front clutch carrier, a clutch on the front clutch carrier including a friction member connected to the planetary carrier of the front planetary gearset, a clutch mounted on the first of said rear clutch carriers including a friction member connected to the ring gear of the front planetary gearset to thereby provide transmission of power to the planetary carrier of the second planetary gearset to provide a reverse direction of the output shaft of said transmission.
Claim 4
Dependent Claim
112 words
A transmission as set forth in claim 1 wherein said brake on the transmission housing includes a friction member on the front clutch carrier, a clutch on the front clutch carrier includes a friction member connected to the Ring gear of the front planetary gearset, and a clutch on the second of the rear clutch carriers includes a friction member connected to the sun gear of the rear planetary gearset to thereby provide transmission of power through the planetary carrier of the front planetary gearset to the ring gear and the planetary carrier of the rear planetary gearset to provide a forward direction of rotation to the output shaft of the transmission.
Claim 5
Dependent Claim
92 words
A transmission as set forth in claim 1 wherein said brake on said transmission housing includes a friction member connected to front clutch carrier, a clutch mounted on the first of said rear clutch carriers includes a friction member connected to the ring gear of said first planetary gearset, a clutch mounted on the second of said rear clutch carriers includes a friction member connected to the sun gear of said second planetary gearset to provide transmission of power through said planetary gearsets and a forward speed of rotation for said transmission.
Claim 6
Dependent Claim
104 words
A transmission as set forth in claim 1 wherein said transmission includes a clutch on the front clutch carrier including a friction member connected to the ring gear of the front planetary gearset, a clutch on the first of said rear clutch carriers including a friction member connected to a ring gear of said front planetary gearset, a clutch on the second of said rear clutch carriers including friction member connected to the sun gear of said rear planetary gearset to thereby provide power transmission through said planetary gearsets and said countershaft gearset to provide forward rotation of said output shaft of said transmission.
Claim 7
Dependent Claim
103 words
A transmission as set forth in claim 1 wherein said transmission includes a clutch on said front clutch carrier including a friction member connected to the planetary carrier of said front planetary gearset, a clutch on the first of said rear clutch carriers including a friction member connected to the ring gear of said front planetary gearset, a clutch mounted on the second of said rear planetary gearsets including a friction member connected to the sun gear of said rear planetary gearsets to thereby provide power transmission through said countershaft gearset and said planetary gearsets to provide forward speed drive of said transmission.
Claim 8
Dependent Claim
104 words
A transmission as set forth in claim 1 wherein said transmission includes a clutch on the front clutch carrier including a friction member connected to the sun gear of said front planetary gearset, a clutch on the first of said rear clutch carriers including a friction member connected to the ring gear of said front planetary gearset, a clutch mounted on the second of said rear clutch carriers including a friction member connected to the sun gear of said rear planetary gearset to thereby provide power transmission through said countershaft gearset and said planetary gearsets to thereby provide a forward speed for said transmission.
Claim 9
Dependent Claim
110 words
A transmission as set forth in claim 1 wherein said transmission includes a clutch mounted on the front clutch carrier including a friction member connected to the sun gear of the front planetary gearset, a second clutch on said front clutch carrier including a friction member connected to the ring gear of said front planetary gearset, a clutch mounted on the second of said rear clutch carriers including a friction member connected to the sun gear of said rear planetary gearsets whereby said transmission locks the front planetary gearset and drives through the secondary planetary gearset and the countershaft gearset to provide a forward speed of rotation of the transmission.
Claim 10
Dependent Claim
104 words
A transmission as set forth in claim 1 wherein said transmission includes a clutch mounted on the front clutch carrier including a friction member connected to the sun gear of the front planetary gearset and a clutch including a friction member connected to the ring gear of the front planetary gearset, a clutch mounted on the first of the rear clutch carriers including a friction member connected to the ring gear of the front planetary gearset to thereby lock the front and rear planetary gearsets to provide direct drive through the front and the rear planetary gearsets and provide forward speed of said transmission.
Claim 11
Dependent Claim
42 words
A transmission as set forth in claim 1 wherein said input drive shaft extends coaxially through said transmission housing and includes power take-off means on said shaft, said output driven shaft comprises a quill shaft for transmitting power output from said transmission.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-03-26 | 1976-09-25 | 1977-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-26 | 1980-09-25 | 1981-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-26 | 1984-09-25 | 1985-03-27 | $7700.00 | Window Closed / Lapsed |