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IC engine

A technology for an internal combustion engine and a crankshaft, applied in the field of internal combustion engines, can solve the problems that the gap between the permanent magnet and the stator coil cannot be kept unchanged, and the electromechanical transducer cannot effectively function as a motor or a generator.

Inactive Publication Date: 2006-04-05
HONDA MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the size of the gap between the permanent magnets and the stator coils cannot remain constant, the gap narrows to its minimum size for only a very short time, so the electromechanical transducer cannot effectively function as a motor or generator

Method used

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Embodiment Construction

[0025] referenced below Figures 1 to 7 Preferred embodiments of the present invention will be described.

[0026] refer to figure 1 with 2 , they show the internal combustion engine E of the first embodiment of the present invention, the internal combustion engine E is a three-cylinder four-stroke cycle in-line internal combustion engine, the internal combustion engine E has an engine main body, and the engine main body includes: a cylinder block 1; a cylinder head 2, which is connected to on the upper end of the cylinder block 1; and an oil pan 3, which is connected to the lower end of the cylinder block 1. The cylinder block 1 has: a cylinder element 1a formed by connecting three cylinders C1, C2 and C3 in one body on the side of the cylinder head 2; and a crankcase element 1b on the side of the oil pan 3 . The crankcase element 1 b and the oil sump 3 delimit a crank chamber 4 . The crankshaft 5 is arranged in the crank chamber 4 , while its axis L extends along the pa...

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PUM

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Abstract

An internal combustion engine (E) includes a crankshaft (5), and a bearing cap (8) supporting the crankshaft (5) for rotation. Permanent magnets (20) serving as magnetic field creating members are attached to the balance weights (Wla to W6a) formed integrally with the webs (W1 to W6) of the crankshaft (5). Coils (21) are attached to the bearing cap bodies (A1 to A4) of the bearing cap (8). The permanent magnets (20) and the coils (21) form electromechanical transducers (M1 to M6). A small gap can be formed and maintained between the permanent magnets (20) and the corresponding coils (21) with reliability without entailing substantial increase in the size of the internal combustion engine. The electromechanical transducers (M1 to M6)are controlled according to the operating mode of the internal combustion engine so as to serve as electric motors or generators.

Description

technical field [0001] The invention relates to an internal combustion engine provided with an electromechanical transducer having the role of an electric motor and generator, electric motor or engine. Background technique [0002] An engine provided with an electromechanical transducer is disclosed in JP-A 182371 / 1997, wherein the transducer is provided in the crankcase and operates as a motor and generator. The electromechanical transducer of a prior art engine has a permanent magnet attached to the large end of the connecting rod connecting the reciprocating piston and the crankshaft, and a stator coil placed on a base secured in the crankcase , while the crankcase is formed by the lower part of the cylinder block and the oil pan connected to the cylinder block. As the crankshaft rotates, the permanent magnet rotates with the big end of the connecting rod relative to the stator coils. Thus, electromotive forces are generated within the stator coils by means of the elect...

Claims

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Application Information

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IPC IPC(8): H02K7/18H02K7/14F02B67/00F02B61/00B60K6/20B60K6/24B60K6/26B60K6/405B60K6/485F02B63/04F02B75/18F02B75/20F02F7/00H02K21/14
CPCY10S903/905Y02T10/6295Y10S903/906F02B75/20B60K6/485Y02T10/6226F02B2075/1812H02K7/1815F02B63/04B60K6/24Y10S903/903Y10S903/952F02B63/042Y02T10/62F02B67/00
Inventor 佐山刚彦大神生稔山本善夫佐藤浩光岩田和之
Owner HONDA MOTOR CO LTD