JPH01262313A - Water cooling air cleaner for motorcycle - Google Patents

Abstract

PURPOSE:To stabilize intake and cool the intake air by arranging a cylindrical body provided with honeycomb cooling fins inside thereof on a rear inlet part of a cleaner box, and connecting the cylindrical body and a radiator arranged on the front part of a motorcycle body through a cooling water passage. CONSTITUTION:An air cleaner 6 is formed by projectingly providing a cylindrical body 10 inward and on a rear part of a cleaner box 9 arranged between a pair of bilateral main tubes 7 of a motorcycle body frame 2. Honeycomb cooling fins 11 are columnly formed inside the cylindrical body 10, while the outside thereof, a cleaner element 12 is arranged. A hose 15 is inserted through the main tubes 7, and the cylindrical body 10 is connected to a radiator 14 on the front part of the body frame 2. It is therefore possible to secure stable intake and to efficiently cool the intake air.

Description

[Detailed Description of the Invention] [Industrial Application Field] This invention applies to water-cooled air cleaners for motorcycles.
II.

[Conventional technology and its problems]

A motorcycle has an engine mounted in the front lower part of the frame. Generally, a carburetor is placed behind the engine cylinder, and an air cleaner is connected to the rear of the carburetor. In this way, the air from which dust has been removed by the air cleaner is atomized with fuel in the carburetor to form intake gas, which is then inhaled by the engine. Also, in high-speed motorcycles, a streamlined cowling is attached from the front of the frame to the front side of the frame and covered by the cowling to reduce wind resistance when riding. In that case, the engine is located inside the cowling, and although an air guide port is installed in the front of the cowling, ventilation is not sufficient. Particularly, a portion of the engine cylinder becomes hot due to the heat of combustion during operation, causing the temperature near the engine to rise. When the air cleaner inhales the air whose temperature has risen, the air is engraved by the temperature shift and the air pumpkin is thin.
This has the disadvantage of reducing intake efficiency and reducing engine output. In order to prevent this, a conductive vibrator connected to the air cleaner inlet is guided to the front of the car body and opened at the front of the J-ring so that the wind that can be used for driving is sucked into the air cleaner. There is a problem in that when there is a lot of input and the speed becomes high, the supercharging is affected and the setting of the carburetor and misalignment f occur, resulting in a decrease in output. Furthermore, some marine engines water-cool the intake air. for example,
Utility Model Application Publication No. 1982-161416, Utility Model Application No. 56-135
See Publication No. 024.

[Purpose of the invention]

This invention provides a water-cooled cylinder at the inlet of the air cleaner to water-cool the intake air, and uses a 6-stage radiator and frame pipe to arrange a cold filter waterway at a low cost and out of the way at the front. At the same time, a honeycomb-shaped cold n1 fin is provided inside the cylinder to enhance the cold n1 effect and to increase the intake J!
! DESCRIPTION OF THE PREFERRED EMBODIMENTS An object of the present invention is to obtain a water-cooled air cleaner capable of reducing the A-to-Bai water-cooled air cleaner.

] - The engine 1 is mounted on the front lower part of the frame 2,
The cylinder 3 is placed vertically, and a carburetor 5 is connected to the rear side of the cylinder head 4, and an air cleaner 6 is further connected to the rear side of the carburetor 5.

A cowling 7 is installed over the front and left and right front sides of the frame 2 so as to cover the frame 2. The air cleaner 6 is provided with a body 10 protruding inward from the rear side of the cleaner box 9 and facing the intake port. The cylindrical body 10 is hollow to allow cooling water to pass therethrough. Moreover, a honeycomb-shaped cold n1 fin 11 is provided inside the cylindrical body 10. The cleaner element 12 is installed so as to surround the cylindrical body 10, and when air passes from the inside to the outside, dust is filtered out.

An outlet 13 is provided at the 1v1 end of the cleaner box 9,
Connected to the vaporizer 5. A radiator 14 is mounted on the front surface of the cowling 7 so that the radiator 14 faces forward. As shown in FIG. 3, the left and right main tubes 15 of the frame 2 are pipe-shaped 6 divided into a plurality of holes 16, so one of the holes 16 is used as a cooling water channel, and the radiator 14 and the cylinder 10 are connected to each other. They are connected by a hose 17 to form a circulation path. A circulation pump 18 is provided in the middle of the hose 17, but natural convection may also be used.

(Operation of the invention) The cylindrical body 10, which is the intake port of the air cleaner 6, is provided toward the rear, allowing stable intake without being affected by the boundary caused by driving. Even when the cooling water is cooled by the inner surface of the cylindrical body 10 and the cooling fins 11, the air density does not become thinner, and a decrease in output due to a decrease in intake efficiency can be prevented. f111! Shitte June 1
This is done by the wind caused by driving. For the cooling water passage between the radiator 14 and the cylinder 10 of the air cleaner 6, the hose 17 can be shortened by using the hole 16 of the main tube 15 of the frame 2, and the piping can be routed without getting in the way.

The honeycomb-shaped portion of the cold n1 fin 11 can also prevent intake noise caused by sudden intake from leaking to the outside.

(Effects of the Invention) As explained above, the present invention has cooling fins arranged in a honeycomb shape inside the body containing cooling water, a cylindrical body provided at the entrance of the cleaner box, and a cylinder body placed forward at the front end of the vehicle body. Since the radiator and cylinder body are connected coldly through a single water channel, the cylinder body at the intake port faces backwards, making it unaffected by pigeons caused by driving and stabilizing the intake air. In addition, even if hot air is inhaled near the engine, it can be cooled by the fins as it passes through the cylinder, preventing the air density from becoming thinner and reducing output. It can be made simple by using a partial frame. In addition, the honeycomb-shaped cooling fins prevent intake noise from leaking, making it quieter.

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention, in which Fig. 1 is an overall side view, Fig. 2 is a plan view of essential parts, Fig. 3 is an enlarged sectional view of arrow A 81 to Fig. 2, and Fig. 4 is a Vertical side view of air cleaner, No. 5
The figure is an enlarged view of Figure 4B-13. 6...Air cleaner, 9...Cleaner box, 10...Cylinder body, 11...Cooling fin, 14...
・Radiator.

Claims (1)

[Claims] Cooling fins are arranged in a honeycomb shape inside a cylindrical body containing cooling water, and the cylindrical body is placed at the entrance of the cleaner box.
A water-cooled air cleaner for motorcycles characterized by a radiator placed facing forward at the front end of the vehicle body and a cylinder connected by a cooling waterway.