Centrifugal rpm regulator for internal combustion engines专利检索-控制棒核能专利检索查询-专利查询网

Centrifugal rpm regulator for internal combustion engines

阅读：448发布：2022-08-06

专利汇可以提供Centrifugal rpm regulator for internal combustion engines专利检索，专利查询，专利分析的服务。并且In a centrifugal rpm regulator for fuel injected internal combustion engines, a fuel quantity control rod is provided which receives the forces associated with the displacements of an adapter sleeve which in turn is displaceable under the influence of centrifugal flyweights and as a function of engine rpm. The regulator has an adjustment device, including a pivotable lever, first and second elastically yieldable stops having respective adjustment springs, and an idle control spring, an operating lever, a guide lever, an intermediate lever and a forcetransmitting lever in addition to the adapter sleeve and the control rod. These structural elements in assembly cooperate so as to provide an idle and maximum speed rpm regulator in which the full-load fuel quantity supplied by the injection pump associated with the regulator can be adapted, by rpm-dependent regulating path changes, to the quantity which the engine can burn without polluting or for the maximum fuel quantity which may be required for a particular application. To this end, the regulator described provides for a variable adjustment of the path of travel of the control rod such that the control rod is shifted in the direction of a larger fuel supply quantity and then during higher rpm in the direction of a smaller fuel supply quantity or vice versa.，下面是Centrifugal rpm regulator for internal combustion engines专利的具体信息内容。

权利要求

1. In a centrifugal rpm regulator for fuel injected internal combustion engines including a housing mounting, centrifugal weight means, an adapter sleeve slidably displaceable under the influence of the centrifugal weight means and as a function of engine rpm, a two-armed intermediate lever, a fuel quantity control rod, the adapter sleeve transmitting the forces associated with its controlled motions resulting from its slidable displacement through the intermediate lever to the fuel quantity control rod for adjusting the fuel quantity delivered by an injection pump used in conjunction with the regulator, a force-transmitting lever, stop means mounted to the housing against which one end of the force-transmitting lever is supported, and at least one regulating spring supported in the housing and exerting a force against the force-transmitting lever, the adapter sleeve being mounted so as to also act against the force-transmitting lever, the improvement comprising: A. an adjustment device having: a. a pivotable lever connecting the adapter sleeve with the intermediate lever, said pivotable lever being pivoted at one of its ends at least mediately to the intermediate lever and eccentrically with respect to the adapter sleeve and including two stop surfaces; b. a first elastically yieldable stop means having a first adjustment spring; c. a second elastically yieldable stop means having a second adjustment spring, said first and second stop means engaging respective ones of said stop surfacEs; and d. an idle control spring; B. an operating lever; and C. a guide lever, and wherein the adapter sleeve defines a central bore and axis; the intermediate lever has a slot in one of its arms; said guide lver has a pin at one end thereof which serves as the pivot pin for the intermediate lever, said pin being engageable within said slot; said operating lever being pivotably mounted to the housing and engageable with said guide lever so that the position of the intermediate lever is changeable in dependence on the pivotal position of said operating lever; said stop surfaces being arranged at the level of the adapter axis between said first and second stop means and facing away from each other; said first stop means being pretensioned by said first adjustment spring and being mounted within the control bore of the adapter sleeve; said second stop means being pretensioned by said second adjustment spring and said idle control spring and being mounted to an extension of the force-transmitting member; and said regulating spring serves as a maximum rpm spring which is at least mediately supported within the housing.

2. The regulator as defined in claim 1, wherein the adapter sleeve includes a bearing arm connected to the end of the adapter sleeve facing away from the centrifugal weight means said bearing arm extending beyond the circumferential outer surface of the adapter sleeve, and wherein one end of said pivotable lever is mounted to said bearing arm for pivotal movement relative thereto.

3. The regulator as defined in claim 1, further comprising a drive shaft and a cylindrical guide mounted thereto, wherein the force-transmitting member includes two guiding arm portions having slots defined therein, wherein the adapter sleeve is provided at its end facing away from the centrifugal weight means with two laterally extending studs which engage a respective one of said slots, and wherein the adapter sleeve has its end facing toward the centrifugal weight means guided within said cylindrical guide so that the friction and wear on the individual elements of the regulator are reduced.

4. The regulator as defined in claim 1, wherein said pivotable lever includes path-limiting stop means and the adapter sleeve is provided with an opposite stop means which is engageable with said path-limiting stop means, and wherein said first adjustment spring biases said path-limiting stop means into engagement with said opposite stop means.

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Centrifugal rpm regulator for internal combustion engines

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