US4951616A
Expired / Lapsed
US
⏱️ 0.0 years remaining
V-type engine
Assignee: Nissan Motor Co Ltd
•
Filing: 1990-02-08
•
Granted: 1990-08-28
•
Expires: 2010-02-08
Abstract
Abstract A cylinder block includes two cylinder banks angularly disposed to each other, and two cylinder heads are mounted on the two cylinder banks, respectively. Two idler gears are rotatably mounted to the two cylinder banks, respectively, and a crankshaft is rotatably mounted to the cylinder block. A chain drivingly interconnects the two idler gears and the crankshaft. The chain, the idler gears, and the crankshaft cooperate with each other to define a predetermined space adjacent to the cylinder block, wherein an auxiliary device is mounted.
Inventors
- 👤 Tatsuo Aruga
- 👤 Yoshio Iwasa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:07
CPC Classifications
F; F02; F02B; F02B75/00; F02B75/16; F02B75/18; F02B75/22; F01; F01L; F01L1/00; F01L1/02; F01L1/022; F01L1/024; F02B67/00; F02B67/04; F02B67/06; F01L1/04; F01L1/047; F01L1/053; F01L2001/0537; F02B2275/00; F02B2275/08; F02B2275/18
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
88 words
In an internal combustion engine: a cylinder block including two cylinder banks angularly disposed to each other; two cylinder heads mounted on said two cylinder banks, respectively; two idler gears rotatably mounted to said two cylinder banks, respectively; a crankshaft rotatably mounted to said cylinder block; a chain drivingly interconnecting said two idler gears and said crankshaft, said chain, said idler gears, and said crankshaft cooperating with each other to define a predetermined space adjacent to said cylinder block; and an auxiliary device mounted in said predetermined space.
Claim 2
Dependent Claim
88 words
In an internal combustion engine: a cylinder block including two cylinder banks angularly disposed to each other; two cylinder heads mounted on said two cylinder banks, respectively; two idler gears rotatably mounted to said two cylinder banks, respectively; a crankshaft rotatably mounted to said cylinder block; a chain drivingly interconnecting said two idler gears and said crankshaft, said chain, said idler gears, and said crankshaft cooperating with each other to define a predetermined space adjacent to said cylinder block; and an auxiliary device mounted in said predetermined space.
Claim 3
Dependent Claim
51 words
An internal combustion engine as claimed in claim 1, further comprising: a first chain guide disposed between said two idler gears; a second chain guide disposed between one of said two idler gears and said crankshaft; and a tensioner disposed between the other of said two idler gears and said crankshaft.
Claim 4
Dependent Claim
29 words
An internal combustion engine as claimed in claim 2, wherein said first and second chain guides are of the fixed type, and said tensioner is of the movable type.
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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) | 1993-08-27 | 1994-02-26 | 1994-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-08-27 | 1998-02-26 | 1998-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-08-27 | 2002-02-26 | 2002-08-28 | $7700.00 | Window Closed / Lapsed |