Breather system for an internal combustion engine
AssigneeTriumph Designs Limited
InventorsRobert Morrison, Benjamin Ady
Life of this patent
Estimating the term…
Abstract
A breather system of an internal combustion engine suitable for use on a motorcycle. A gearbox has a housing (12) forming a gearbox cavity (20) in which a gear selector drum (30) is provided. The selector drum (30) has an elongate hollow structure and has an outlet opening (44) at or adjacent a first end. The selector drum (30) is provided with at least one inlet (46) hole provided in a sidewall thereof, within the gearbox cavity (20), such that a breather flow path extends from the inlet (46) to the outlet opening (44).
Claims25
A breather system for an internal combustion engine, the breather system comprising:
- a gearbox having a housing forming a gearbox cavity, said gearbox cavity having a selector drum therein;
- wherein
- said selector drum has an elongate hollow structure having an outlet opening at or adjacent a first end;
- and
- said selector drum is provided with at least one inlet hole provided in a sidewall thereof, within the gearbox cavity, such that a breather flow path extends from said at least one inlet to said outlet opening.
A gearbox for an internal combustion engine powered motor vehicle;
- the gearbox comprising:
- a gearbox housing forming a gearbox cavity;
- a plurality of gears;
- and
- a selector drum located in said gearbox cavity;
- wherein
- said selector drum has an elongate hollow structure with an outlet opening at or adjacent a first end thereof;
- and
- said selector drum has at least one inlet hole provided therein within the gearbox cavity;
- such that
- a breather flow path is defined internally of said selector drum extending between said at least one inlet and said outlet opening.
A vehicle comprising:
- an internal combustion engine;
- a gearbox having a gearbox housing forming a gearbox cavity, said gearbox cavity having a selector drum therein;
- and
- a breather flow path;
- wherein
- said selector drum comprises an elongate hollow structure which has an outlet opening at or adjacent a first end thereof;
- said selector drum is provided with at least one inlet hole provided in a sidewall thereof within the gearbox cavity;
- and
- said breather flow path extends inside said selector drum from said at least one inlet to said outlet opening.
Dependencies are inferred from the claim text.