US4182200A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transmission gear with power branching
Assignee: Vodafone GmbH
•
Filing: 1978-04-13
•
Granted: 1980-01-08
•
Expires: 1998-04-13
Abstract
Abstract Fourfold power branching for each propulsion mode (forward and reverse) requires recombining on a single output shaft which is carried out via two large gears mounted separately on axially spaced hollow shafts, one being traversed by the output shaft whose end is coupled centrally to the facing ends of the two hollow shafts by two gear couplings with crowned teeth.
Inventors
- 👤 Hans Steinberg
- 👤 Volkmar Tepper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:59
CPC Classifications
B; B63; B63H; B63H23/00; B63H23/02; B63H23/08; F; F16; F16H; F16H1/00; F16H1/02; F16H1/20; F16H1/22; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19019; Y10T74/19023; Y10T74/19628
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
111 words
Heavy duty transmission gear, such as a ship's drive gear including a housing and wherein a drive shaft is drivingly connected to two branches, each branch including two coaxial pinions, the two coaxial pinions of each branch respectively meshing with two large gears, the improvement comprising: a first and second hollow shaft journalled in said housing in coaxial alignment with each other, but axially spaced apart defining a space in between; an output shaft also journalled in the casing and traversing one of said hollow shafts, and having one end extended into said space; and gear coupling means in said space and connecting the two hollow shafts to the output shaft.
Claim 2
Dependent Claim
111 words
Heavy duty transmission gear, such as a ship's drive gear including a housing and wherein a drive shaft is drivingly connected to two branches, each branch including two coaxial pinions, the two coaxial pinions of each branch respectively meshing with two large gears, the improvement comprising: a first and second hollow shaft journalled in said housing in coaxial alignment with each other, but axially spaced apart defining a space in between; an output shaft also journalled in the casing and traversing one of said hollow shafts, and having one end extended into said space; and gear coupling means in said space and connecting the two hollow shafts to the output shaft.
Claim 3
Dependent Claim
29 words
Transmission gear as in claim 1, said output shaft having a flange disposed in about the middle of said space, and carrying coupling pieces pertaining to the coupling means.
Claim 4
Dependent Claim
16 words
Transmission gear as in claim 1, said coupling means including two gear couplings with crowned teeth.
Claim 5
Dependent Claim
112 words
Heavy duty transmission gear such as a ship's drive gear having a housing, a drive shaft means drivingly connecting the shaft to a spur gear on an intermediate shaft, a pair of pinions coaxial to and drivingly connected to the intermediate shaft, the improvement comprising: a pair of relatively large gears meshing said pinions and being disposed in axial alignment with each other; a pair of hollow shafts respectively carrying said large gears and being axially spaced from each other but mutually axially aligned; an output shaft traversing at least one of the hollow shafts; and gear coupling means for connecting mutually facing ends of the hollow shaft to the output shaft.
Claim 6
Dependent Claim
112 words
Heavy duty transmission gear such as a ship's drive gear having a housing, a drive shaft means drivingly connecting the shaft to a spur gear on an intermediate shaft, a pair of pinions coaxial to and drivingly connected to the intermediate shaft, the improvement comprising: a pair of relatively large gears meshing said pinions and being disposed in axial alignment with each other; a pair of hollow shafts respectively carrying said large gears and being axially spaced from each other but mutually axially aligned; an output shaft traversing at least one of the hollow shafts; and gear coupling means for connecting mutually facing ends of the hollow shaft to the output shaft.
Claim 7
Dependent Claim
29 words
Transmission gear as in claim 4, said output shaft having a flange disposed in about the middle of said space, and carrying coupling pieces pertaining to the coupling means.
Claim 8
Dependent Claim
15 words
Transmission as in claim 4, said coupling means including two gear couplings with crowned teeth.
References Cited (Backward Citations)
US3610065A
Cited
US4153002A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-01-07 | 1983-07-09 | 1984-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-01-07 | 1987-07-09 | 1988-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-01-07 | 1991-07-09 | 1992-01-08 | $7700.00 | Window Closed / Lapsed |