US6655307B2
Expired / Lapsed
US
⏱️ 0.0 years remaining
Personal watercraft on which supercharger is mounted
Assignee: Honda Motor Co Ltd
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Filing: 2002-07-10
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Granted: 2003-12-02
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Expires: 2022-07-10
Abstract
Abstract A personal watercraft with an engine and a supercharger, in which a speedy, positive operation of the supercharger is ensured. The system includes an engine for driving a jet propelling pump provided in a watercraft body formed by a hull and a deck in such a manner as to extend in a length direction of the watercraft body. An oil pump is provided on the front side of the engine and a supercharger 140 is provided on the rear side of the engine. The supercharger and an end portion of a main gallery communicate with each other via an oil supply pipe. Oil supplied to the supercharger is used for lubricating a bearing portion of the supercharger. Further, the oil is supplied to an oil jacket formed in a bearing casing of the supercharger to cool the bearing casing. A one-way valve is interposed in an oil return pipe which communicates to an oil outlet of the supercharger.
Inventors
- 👤 Yoshitsugu Gokan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:47
CPC Classifications
F; F02; F02B; F02B67/00; F02B67/10; B; B63; B63B; B63B34/00; B63B34/10; B63H; B63H11/00; B63H11/02; B63H11/04; B63H21/00; B63H21/24; B63H21/38; B63H21/386; F01; F01M; F01M1/00; F01M1/02; F02B39/00; F02B39/14; F02B61/00; F02B61/04; F02B61/045; B63H21/12; B63H21/14
Claims Analysis
Total Claims: 22
Claim 1
Independent Claim
87 words
A personal watercraft on which an engine with a supercharger is mounted, comprising: an engine for driving a jet propelling pump provided in a watercraft body formed by a hull and a deck in such a manner as to extend in a length direction of said watercraft body; a supercharger provided in a longitudinal direction of said engine; and an oil supply passage for communicating between said supercharger and an end portion of a main gallery of oil provided in parallel to a crankshaft of said engine.
Claim 2
Dependent Claim
87 words
A personal watercraft on which an engine with a supercharger is mounted, comprising: an engine for driving a jet propelling pump provided in a watercraft body formed by a hull and a deck in such a manner as to extend in a length direction of said watercraft body; a supercharger provided in a longitudinal direction of said engine; and an oil supply passage for communicating between said supercharger and an end portion of a main gallery of oil provided in parallel to a crankshaft of said engine.
Claim 3
Dependent Claim
36 words
The personal watercraft on which an engine with a supercharger is mounted according to claim 1 , wherein said oil supply passage runs substantially upward from said end portion of said main gallery to said supercharger.
Claim 4
Dependent Claim
77 words
The personal watercraft on which an engine with a supercharger is mounted according to claim 1 , further comprising: an oil pump provided on a portion of said engine, on a front side of said watercraft body, and said supercharger being provided on a portion of said engine, on a rear side of said watercraft body, and said supercharger and a rear end portion of said main gallery communicate with each other via said oil supply passage.
Claim 5
Dependent Claim
35 words
The personal watercraft on which an engine with a supercharger is mounted according to claim 1 , wherein said oil supply passage is connected to an oil inlet of said supercharger via an orifice bolt.
Claim 6
Dependent Claim
34 words
The personal watercraft on which an engine with a supercharger is mounted according to claim 4 , wherein said oil inlet is disposed between a compressor portion and a turbine portion of said supercharger.
Claim 7
Dependent Claim
36 words
The personal watercraft on which an engine with a supercharger is mounted according to claim 3 , wherein said oil supply passage runs substantially upward from said end portion of said main gallery to said supercharger.
Claim 8
Dependent Claim
53 words
The personal watercraft on which an engine with a supercharger is mounted according to claim 1 , wherein oil supplied to said supercharger is used for lubricating a bearing portion of said supercharger, and also the oil is supplied to an oil jacket formed in a bearing casing to cool said bearing casing.
Claim 9
Dependent Claim
39 words
The personal watercraft on which an engine with a supercharger is mounted according to claim 1 , further comprising an oil outlet in said supercharger disposed at a position higher than an oil level when said engine is stopped.
Claim 10
Dependent Claim
40 words
The personal watercraft on which an engine with a supercharger is mounted according to claim 8 , wherein said engine is a dry sump engine, and an oil tank is provided on an extension of a crankshaft of said engine.
Claim 11
Dependent Claim
29 words
The personal watercraft on which an engine with a supercharger is mounted according to claim 9 , wherein said oil tank is provided at a front of said engine.
Claim 12
Dependent Claim
37 words
The personal watercraft on which an engine with a supercharger is mounted according to claim 9 , wherein a one-way valve is interposed in an oil return passage which communicates with said oil outlet in said supercharger.
Claim 13
Dependent Claim
99 words
A personal watercraft on which an engine with a supercharger is mounted, comprising: an engine for driving a jet propelling pump provided in a watercraft body formed by a hull and a deck in such a manner as to extend in a length direction of said watercraft body; a supercharger provided in a longitudinal direction of said engine; and an oil supply passage running substantially upward from an end portion of a main gallery of oil provided in parallel to a crankshaft to said supercharger for providing a supply of oil directly from said main gallery to said supercharger.
Claim 14
Dependent Claim
99 words
A personal watercraft on which an engine with a supercharger is mounted, comprising: an engine for driving a jet propelling pump provided in a watercraft body formed by a hull and a deck in such a manner as to extend in a length direction of said watercraft body; a supercharger provided in a longitudinal direction of said engine; and an oil supply passage running substantially upward from an end portion of a main gallery of oil provided in parallel to a crankshaft to said supercharger for providing a supply of oil directly from said main gallery to said supercharger.
Claim 15
Dependent Claim
77 words
The personal watercraft on which an engine with a supercharger is mounted according to claim 12 , further comprising: an oil pump provided on a portion of said engine, on a front side of said watercraft body, and said supercharger being provided on a portion of said engine, on a rear side of said watercraft body, and said supercharger and a rear end portion of said main gallery communicate with each other via said oil supply passage.
Claim 16
Dependent Claim
35 words
The personal watercraft on which an engine with a supercharger is mounted according to claim 12 , wherein said oil supply passage is connected to an oil inlet of said supercharger via an orifice bolt.
Claim 17
Dependent Claim
34 words
The personal watercraft on which an engine with a supercharger is mounted according to claim 14 , wherein said oil inlet is disposed between a compressor portion and a turbine portion of said supercharger.
Claim 18
Dependent Claim
53 words
The personal watercraft on which an engine with a supercharger is mounted according to claim 12 , wherein oil supplied to said supercharger is used for lubricating a bearing portion of said supercharger, and also the oil is supplied to an oil jacket formed in a bearing casing to cool said bearing casing.
Claim 19
Dependent Claim
39 words
The personal watercraft on which an engine with a supercharger is mounted according to claim 12 , further comprising an oil outlet in said supercharger disposed at a position higher than an oil level when said engine is stopped.
Claim 20
Dependent Claim
40 words
The personal watercraft on which an engine with a supercharger is mounted according to claim 17 , wherein said engine is a dry sump engine, and an oil tank is provided on an extension of a crankshaft of said engine.
Claim 21
Dependent Claim
29 words
The personal watercraft on which an engine with a supercharger is mounted according to claim 18 , wherein said oil tank is provided at a front of said engine.
Claim 22
Dependent Claim
37 words
The personal watercraft on which an engine with a supercharger is mounted according to claim 19 , wherein a one-way valve is interposed in an oil return passage which communicates with said oil outlet in said supercharger.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2006-12-01 | 2007-06-02 | 2007-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2010-12-01 | 2011-06-02 | 2011-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2014-12-01 | 2015-06-02 | 2015-12-02 | $7700.00 | Window Closed / Lapsed |