TH49428A - Four stroke spark ignition engine - Google Patents

Abstract

DC60 (19/12/55) in order to prevent the spark plug from failing to ignite due to the formation of soot in the Four stroke spark ignition engine Where a number of spark plugs are attached to the cylinder head in such a way that they are exposed in the same combustion chamber The intake port 70 is built into the cylinder head 39 in such a way that it can create a vortex. In the combustion chamber 45, and a number of spark plugs 49, 50 will be installed to the cylinder head 39 in such a way that the The heat rises away from the intake vent 70 along the direction of the eddy current in the combustion chamber 45 in order to prevent the spark plug from failing to ignite due to the formation of soot in the combustion chamber. Four-stroke spark ignition engine A number of spark plugs are attached to the cylinder head in such a way that they are exposed in the same combustion chamber. Inlet 70 will be made into the cylinder head 39 in such a way that it can produce a whirl. In the combustion chamber 45, and a number of spark plugs 49 and 50 will be installed on the cylinder head 39 as a worthy The heat rises away from the inlet 70 in the direction of the eddy current in the combustion chamber 45.

Claims (2)

Disclaimers (all) that will not appear on the advertisement page: 1. A four-stroke engine is ignited by a spark in which the cylinder head (39) forms the combustion chamber (45) between the cylinder heads (39) and the piston (43) is coupled to the cylinder block. (38) with cylinder port (44) for piston fit assembly (43), for cylinder head slide movement (39) is provided with intake port (70) which is opened. And closed by the intake valve (47) with the tongue tip (74a) which are mutually connected. And the same item as One end of the stem (74b) and which form the intake swirl. In the combustion chamber (45), the tongue shoulder (97) in the form of a reed ring. Arranged At the inner end of the intake compartment (70), it allows the seat of the overflow header (74a) and the guide cylinder (98), which are arranged in conjunction with the shoulder. The levers (97) and which are fitted and supported by the connecting rod (74b) for the movement of the slider and cylinder head (39) are also attached. A certain number of spark plugs (49,50), each, respectively, will be turned into the same combustion chamber (45) around the shoulder and tongue (97) and provide the heat value. That will increase as it is further away from the intake (70), it follows the direction of the vortex flow. In the combustion chamber (45), where the intake port (70) includes the first runway part (70a) extending in the direction of contact with the guide barrel (98) on the outside of the guide barrel (98). That, when viewed from the projected plane perpendicular to the plane of the cylinder and the tapered second runway segment (70b), connected to the first runway section (70a), and which was made Curved in such a way that part of the guide cylinder (98) is on the side further away from the spark plug (50) where the calorific value is highest, the opposite wall (39a) is provided on the cylinder head. (39) The cylinder head (39) is arranged opposite from The opposite direction to the combustion chamber (45) is where the overflow head (74a) and the valve shoulder (97) are located in the position which is offset to the valuable spark plug side (50). Extreme heat In the direction along the perimeter of the combustion chamber (45), when viewed from the stem (74b), is provided so that it does not overlap with the part of the combustion chamber. First runway And the second runway section (70a, 70b), when viewed from the projection plane, the cylinder head (39) is provided with an internal wall (39b) perpendicular to the opposite wall (39a). And which serves as a wall On the side of the end of the second runway section (70b), the inner wall (39b) is formed into a shape that does not intersect with the straight line (102) that connects the center (C1 ) Of the combustion chamber (45) and the center (C2) of the guide (98) on the projected image. 2. A four-stroke engine with spark ignition according to claim 1, which is mounted on Vehicle body frame (15) with cylinder head (39) which is arranged in front of the cylinder block (38) in a direction along the length of the vehicle body. And that cylinder Are arranged in a direction by length Of vehicle body Where the electrode portion facing the combustion chamber (45) of the spark plug (49) has a low calorific value. The end is placed on the bottom of the valve seat (97) and the electrode portion facing the combustion chamber (45) of the spark plug (50) with the highest calorific value. It is placed on one side of the valve seat (97) in the direction of the vehicle body level.