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Fuel rail/fuel conduit connecting structure in engine of outboard engine system

Imported: 24 Feb '17 | Published: 06 Jan '04

Tetsu Wada, Tomonori Ikuma, Sadafumi Shidara

USPTO - Utility Patents

Abstract

In fuel rail/fuel conduit connecting structure in an engine for an outboard engine system, a first connecting bore opens into an end face of a fuel rail, and a second connecting bore opens into an end face of a terminal member having a connecting pipe portion which is projectingly provided on one side thereof and to which an end of the fuel conduit is connected. One of halves of a joint collar is fitted to an inner peripheral surface of the first connecting bore with a first seal member interposed therebetween, and the other half of the joint collar is fitted to an inner peripheral surface of the second connecting bore with a second seal member interposed therebetween. Thus, it is possible to connect the fuel rails and the fuel conduits to each other, while providing reduction in number of parts and number of assembling steps for the connecting structure and moreover, the connecting structure is excellent in corrosion resistance.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a side view of the entire arrangement of an outboard engine system;

FIG. 2 is a vertical sectional view of essential portions of FIG. 1;

FIG. 3 is a sectional view taken along a line

2

2 in FIG. 2;

FIG. 4 is a plan view similar to FIG. 3, but showing a state with an intake system removed;

FIG. 5 is a sectional view taken along a line

5

5 in FIG. 2;

FIG. 6 is a sectional view taken along a line

6

6 in FIG. 3;

FIG. 7 is a sectional view taken along a line

7

7 in FIG. 5;

FIG. 8 is an exploded view similar to FIG. 7, but showing an intake manifold;

FIG. 9 is a perspective view of funnel segments in the intake manifold;

FIG. 10 is a sectional view taken along a line

10

10 in FIG. 7;

FIG. 11 is a sectional view taken along a line

11

11 in FIG. 7;

FIG. 12 is a view taken along a line

12

12 in FIG. 7;

FIG. 13 is a sectional view taken along a line

13

13 in FIG. 2;

FIG. 14 is a sectional view taken along a line

14

14 in FIG. 2;

FIG. 15 is a diagram of the entire arrangement of a fuel supply system;

FIG. 16 is a vertical sectional view of fuel rails;

FIG. 17 is a sectional view taken along a line

17

17 in FIG. 16;

FIG. 18 is a sectional view taken along a line

18

18 in FIG. 16;

FIG. 19 is a sectional view taken along a line

19

19 in FIG. 18; and

FIG. 20 is a sectional view taken along a line

20

20 in FIG.

17.

Claims

1. A fuel rail/fuel conduit connecting structure in an engine for an outboard engine system, the structure providing a connection between:

2. A fuel rail/fuel conduit connecting structure in an engine for an outboard engine system according to claim 1, wherein a distance collar made of a metal is embedded in the terminal member, the bolt being inserted through the distance collar.