Outboard engine unit
An outboard engine and engine technology, applied in the directions of engine components, engine ignition, machine/engine, etc., can solve the problems of troublesome removal of the top cover, increase in the size of the top cover, increase in the weight of the overall size of the top cover, etc., and achieve convenient disassembly/reassembly. The effect of adhesion, simplified abutment joint structure, improved workability
Inactive Publication Date: 2009-04-22
HONDA MOTOR CO LTD
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Problems solved by technology
[0011] If item (a) above is taken, an increase in the size of the bottom cowl results in an increase in the size of the top cowl because the bottom and top cowls are joined together vertically in edge-to-edge abutting relationship, with the result that the overall size of the outboard motor unit The size and weight of the top cover will increase significantly
In addition, if the above item (b) is taken, lowering the position of the lower end of the top cover will not only result in a greater recessed depth of the top cover having a deep bowl shape, but also cause an increase in the size and weight of the top cover, resulting in the disassembly of the top cover. Operation will be cumbersome and cumbersome
Method used
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[0040] Referring now to the included Figures 1 to 3, wherein Figure 1 is a side view showing an outboard motor unit 1 according to an embodiment of the present invention, wherein internal mechanisms are indicated by dashed lines, figure 2 is a rear view showing an example appearance of the outboard motor unit 1, and image 3 It is an exploded perspective view of the lower cover (or lower cover assembly) 20 of the outboard engine unit 1, specifically showing the engine support member, front and rear brackets, and the like.
[0041] In the drawings, "Fr" indicates the forward propulsion direction of the boat to which the outboard motor unit of the present invention is applied, and "Rr" indicates the rearward direction opposite to the forward propulsion direction of the boat.
[0042] In Figure 1 the side view and figure 2 An example appearance of the outboard motor unit 1 is shown in the rear view of . As shown, the outboard motor unit 1 comprises a lower cover (assembly) 20 a...
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The invention provides an outboard engine unit. The outboard engine unit includes an engine room (2i), having an engine (5) accommodated therein, centerline (L2) of an engine cylinder (5d) is offset from a centerline (L1) of the engine room toward one of left and right sides of the unit, and an ignition plug (140) is provided on the other side opposite from the one side toward which the engine cylinder centerline (L2) is offset. With the ignition plug provided on the other side opposite from the one side toward which the engine cylinder centerline is offset, the side of cylinder head provided with the ignition plug may have larger space, accordingly it is more easily to process the ignition plug maintenance.
Description
[0001] The present invention is a divisional application of the Chinese invention patent application whose application number is 200710107778.2, the application date is April 29, 2007, and the invention name is "outboard engine unit". technical field [0002] The present invention relates to an outboard engine unit in which left and right cover members defining a lower half of an engine compartment are mounted to and supported by an engine or an engine support structure and which facilitates left and right Removal / reattachment of cover parts. The present invention also relates to an outboard motor unit that facilitates maintenance work such as detachment / attachment of spark plugs. Background technique [0003] In recent years, there has been known an outboard engine unit of the type in which the lower half of the engine room is defined by a lower cover including left and right (ie, port side and starboard side) cover members made of resin (for example, Japanese Patent Laid-O...
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IPC IPC(8): B63H20/00F02P13/00
Inventor 矢崎诚吉津邦弘木村亨坪内方则
Owner HONDA MOTOR CO LTD