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Control system for air throttle of carburetor

A control system and throttle technology, applied in the direction of carburetor, charging system, application, etc., to achieve the effect of simplifying the structure and reducing the number of parts

Inactive Publication Date: 2006-04-19
HONDA MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, it is impossible to satisfy the above required characteristics

Method used

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  • Control system for air throttle of carburetor
  • Control system for air throttle of carburetor
  • Control system for air throttle of carburetor

Examples

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Embodiment Construction

[0053] The invention will now be described in terms of preferred embodiments with reference to the accompanying drawings.

[0054] Referring first to FIG. 1, a mobile power lawnmower 1 as a power working machine includes a housing 3 supported by front wheels 2f and rear wheels 2r. A vertical engine 4 having a crankshaft 5 vertically disposed therein is mounted on the upper surface of the case 3 . A rotary grass cutter 7 installed at the lower end of the crankshaft 5 is provided inside the casing 3 . Grass bag 8 is installed on the steering handle 6 that is connected with the rear end of housing 3, thereby the grass clippings cut by the mowing knife are contained in this grass bag 8.

[0055] refer to Figure 2-5 A flywheel 9 also used as a cooling fan is fixed on the upper end of the crankshaft 5 of the engine 4 . An engine cover 10 for covering the upper surface of the engine 4 is fixed to the engine 4 together with the flywheel 9 . A recoiling-type starter 11 capable of ...

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Abstract

A choke valve control system includes a choke-operating lever for opening and closing a choke valve of a carburetor, a choke spring for biasing the valve in an opening direction, and a damper for controlling the opening motion of the valve to a lower speed, when the choke valve is opened from its fully closed position by a biasing force of the choke spring. The choke-operating lever, the choke spring and the damper are connected to the choke valve of the carburetor. In this choke valve control system, the damper includes a damper housing, a rotor, and a damper oil which is accommodated in a sealed manner in the damper housing and applies a viscosity resistance to the rotation of the rotor. Thus, the time required for opening the choke valve can be controlled in accordance with the level of the environmental temperature of an engine, thereby providing the stabilization of the warming operation of the engine and a reduction in fuel consumption.

Description

technical field [0001] The present invention relates to an improvement in a control system for a carburetor throttle, the control system comprising a throttle lever for opening and closing the carburetor throttle, for opening the throttle along The throttle spring deflected in the direction, and the damper used to control the opening action to a low speed when the throttle valve is opened from its fully closed position by the deflection force of the throttle spring, the throttle lever, the throttle spring and the damper are related to the The throttle valve of the carburetor is connected so that after the engine starts with the throttle valve closed, the throttle valve is automatically opened in response to the warming operation process of the engine, thereby stabilizing the warming operation and reducing fuel consumption. Background technique [0002] In conventional control systems for carburetor throttle valves, the damper is a pneumatic type in which the opening movement...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02M1/08A01D34/76F02M1/10F02M19/12F16F9/12F16F9/53
CPCF02M19/122F16F9/53F16F9/12F02M1/10
Inventor 小嶋洋明森山浩玉本龙平
Owner HONDA MOTOR CO LTD
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