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Fluid Pump Controls

A technology for control devices and fluid pumps, applied in engine control, machines/engines, mechanical equipment, etc., can solve the problems of reduced water delivery efficiency, time-consuming, and increased spraying time, and achieve the effect of shortening time and improving water delivery efficiency

Active Publication Date: 2016-04-20
HONDA MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, if it is constructed like the technology described in Patent Document 1, since the internal combustion engine is also operated at a speed that can efficiently send water when the operation of the fluid pump is started, in other words, it is not suitable for sucking and exhausting the air in the suction pipe. The speed of operation is high, so it takes time to exhaust, and the time until the start of spraying increases, and the water supply efficiency decreases.

Method used

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Examples

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Embodiment

[0036] figure 1 It is a front view of a pump unit equipped with a fluid pump control device according to an embodiment of the present invention. and, figure 2 yes figure 1Top view of the pump unit shown.

[0037] exist figure 1 and figure 2 In , reference numeral 10 denotes a pump unit. The pump unit 10 includes an internal combustion engine (hereinafter referred to as “engine”) 12 , and a fluid pump (engine pump. Water pump. Hereinafter referred to as “pump”) 14 driven by the engine 12 to suck and discharge fluid (specifically, water).

[0038] The engine 12 and the pump 14 are mounted on a tubular frame 16 . The engine 12 is provided with a recoil starter 18 , and an operator (not shown) operates the recoil starter 18 to freely start the engine 12 .

[0039] Specifically, the pump 14 is constituted by a self-priming centrifugal pump, and includes a water inlet pipe 20 serving as a water suction port and a water outlet pipe 22 serving as a discharge port. The wat...

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Abstract

The invention provides a control apparatus of a fluid pump. In the fluid pump driven by an internal combustion engine, the time from running start to fluid injection is shortened, and water supply efficiency is enhanced. According to the control apparatus of the fluid pump for fluid suction and injection driven by the internal combustion engine, after the internal combustion engine is started, the object rotary speed (NEa) of the internal combustion engine is set to a first NEa1 (S10), when the detected degree of opening of a throttle exceeds a first preset degree THa, the object rotary speed is transferred to a second preset rotary speed (NEa2) lower than the first preset rotary speed, the action of an actuator is controlled, and the rotary speed of the internal combustion engine is transformed from (NE) to (NEa) (from S12 to S24).

Description

technical field [0001] The present invention relates to a control device for a fluid pump, and more particularly to a control device for a fluid pump driven by an internal combustion engine. Background technique [0002] Conventionally, various technical proposals have been made for a fluid pump driven by an internal combustion engine to suck in and eject fluid (for example, water). As one example, the technology described in Patent Document 1 can be cited. The technical configuration described in Patent Document 1 is that a self-priming fluid pump is equipped with an actuator (electric motor) that controls the drive of the throttle valve of the internal combustion engine, and the actuator is controlled so that the internal combustion engine speed becomes the target speed. The drive of the device is controlled. In addition, the above-mentioned target rotational speed is always constant during the operation of the internal combustion engine, and is set at such a rotational s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02D29/02F02D29/04
Inventor 岛村秀明福岛友树
Owner HONDA MOTOR CO LTD
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