Valve controlled hydraulic coupling
阅读：932发布：2022-02-22
专利汇可以提供Valve controlled hydraulic coupling专利检索，专利查询，专利分析的服务。并且A hydraulic coupling is provided with a reservoir compartment connected to the working compartment via a valve controlled by the operator in order to control the torque transmission capacity of the coupling. This valve comprises a spoked dished member which is mounted for movement along the coupling axis and is movable by the operator''s control to open valve orifices disposed at the end of the spokes and thereby permit the working liquid to flow by centrifugal action from the working compartment into the reservoir compartment. Working liquid in the reservoir compartment is returned to the working compartment by a scoop tube including a valve device that is closed as the first mentioned valve is opened. The coupling may also include another reservoir chamber into which working fluid empties automatically upon existence of a stall condition. A vent may be provided from the exterior of the coupling to a portion of working circuit where there is no circulation of fluid, thereby avoiding any pressure build up under stall conditions in the interior of the coupling, and permitting lighter construction for the coupling.，下面是Valve controlled hydraulic coupling专利的具体信息内容。
1. A hydraulic coupling comprising radially vaned pump and turbine elements together defining a toroidal working chamber, a reservoir chamber rotatable with the pump element, flow passages at a radially outer part of the working chamber to permit when open flow of working liquid from the working chamber to the reservoir chamber, first valve means comprising an annular valve member movable with the pump member and mounted for axial movement relative to the pump member to open and close the said flow passages, and pick-up means operative between the reservoir chamber and the working chamber to return liquid to the working chamber, the pick-up means including second valve means operable with operation of the first valve means to at least reduce such return of working liquid to the working chamber and thereby reduce the torque and power transmission capacity of the coupling.
2. The invention as claimed in claim 1, wherein the said first valve means comprise two dished members moUnted for movement axially relative to one another and having radially outer portions conforming closely with one another, one of the said members having valve apertures in its said conforming portion that are closed by the abutting engagement of the two members with one another.
3. The invention as claimed in claim 1, wherein the said first valve means comprise a first dished member fixed to and rotatable with the pump element and surrounding the turbine element, a second dished member mounted between the first dished member and the turbine element for axial movement toward and away from the first dished member, the two dished members having radially outer portions conforming closely to one another, and the first member having valve apertures in its said conforming portion that are closed by the abutting engagement of the said conforming portions of the two members with one another.
4. The invention as claimed in claim 3, wherein the said second dished member is spoked with each of the spokes thereof closing and opening a respective valve aperture in the first dished member.
5. The invention as claimed in claim 1, wherein said second valve means comprise a first hub mounted on the coupling output shaft, the first hub carrying the said pick-up means comprising a scoop tube protruding into the said reservoir chamber, a second hub mounted on said first hub, and at least one passage passing through both said first and second hubs and opened and closed by relative axial movement between the hubs.
6. The invention as claimed in claim 5, wherein the said first valve means comprise two dished members, one of which is mounted by the said second hub for axial movement relative to the other, the members having radially outer portions conforming closely with one another, and one of the said members having valve apertures in its said conforming portion that are closed by the abutting engagement of the conforming portions of the two members with one another.
7. The invention as claimed in claim 3, wherein said second valve means comprise a first hub mounted on the coupling output shaft, the first hub carrying the said pick-up means comprising a scoop tube protruding into the said reservoir chamber, a second hub mounted on said first hub and carrying the said second dished member, and at least one passage passing through both said first and second hubs and opened and closed by relative axial movement between the hubs.
8. The invention as claimed in claim 1, and comprising a stall reservoir rotatable with the said pump element, radially-inwardly located openings from the working chamber discharging into the stall reservoir and disposed to feed working liquid into the stall reservoir upon the existence of a stall condition of the turbine element, and radially outwardly disposed openings from the stall reservoir into the working chamber, the flow capacity of the radially inward openings being greater than that of the radially-outward openings, and the capacity of the stall reservoir being such as to leave enough working liquid in the working chamber to transmit a torque which will permit the engine to operate at its maximum torque speed.
9. The invention as claimed in claim 8, wherein the location of the said radially inward openings is such that during the establishment of a stall condition of the turbine element the coupling will transmit temporarily more than the usual torque overload before settling to a steady overload value.
10. The invention as claimed in claim 1, wherein the coupling comprises a torque converter including a reaction member in the working chamber.
11. The invention as claimed in claim 10, and including pump means, a controllable valve, duct means connecting the said pump means to the interior of the coupling for pressurisation thereof through the said controllable valve, and means connecting said first and second valve means and said controllable valve to close the controllable valve and thereby suspend the said pressurisation by the Pump while the first valve means is open.
12. The invention as claimed in claim 1, wherein the coupling includes a radially-outwardly extending vent passage carried by one of the elements and having an inlet disposed in the location in the working chamber of minimum liquid circulation for normal liquid vortices established therein, and having an outlet closer to the coupling axis than the said inlet, and a centrifugally operable valve in the vent passage opening upon rotation of the element at more than a predetermined minimum speed.
13. The invention as claimed in claim 12, wherein the said vent passage is provided by a radially-outwardly extending tube extending from a hub of the respective element, and a radially-outwardly extending bore in the same hub extending from the radially inmost end of the said tube and including the said valve.
14. A hydraulic coupling comprising radially vaned pump and turbine elements rotatable about a common axis and together defining a toroidal working chamber, a radially outwardly extending vent passage carried by one of the elements and having an inlet disposed in the location in the working chamber of minimum liquid circulation for normal liquid vortices established therein, and having an outlet closer to the coupling axis than the said inlet, and a centrifugally operable valve in the vent passage opening upon rotation of the element at more than a predetermined minimum speed.
15. The invention as claimed in claim 14, wherein the said vent passage is provided by a radially-outwardly extending tube extending from a hub of the respective element, and a radially outwardly extending bore in the said hub extending from the radially inmost end of the said tube and including the said valve.
| 标题 | 发布/更新时间 | 阅读量 |
|---|---|---|
| 一种智能仓储系统的工作方法 | 2020-05-11 | 466 |
| 双拉式自动复位闩锁系统 | 2020-05-11 | 607 |
| 车辆驾驶辅助装置 | 2020-05-12 | 730 |
| 利用点火电源监视确定发动机停止的原因的方法和系统 | 2020-05-12 | 681 |
| 一种概念电动单车 | 2020-05-13 | 24 |
| 一种新型仿生水下双足游走机器人及其运动方法 | 2020-05-11 | 405 |
| 基于系统状况的外科缝合和切割器械的马达速度的闭环反馈控制 | 2020-05-14 | 802 |
| 井下快速定向瞄准的地面自动控制装置及方法 | 2020-05-13 | 693 |
| 一种漆包机失速报警装置 | 2020-05-11 | 878 |
| 一种升降机电气控制电路 | 2020-05-08 | 190 |
高效检索全球专利专利汇是专利免费检索,专利查询,专利分析-国家发明专利查询检索分析平台，是提供专利分析，专利查询，专利检索等数据服务功能的知识产权数据服务商。
我们的产品包含105个国家的1.26亿组数据，免费查、免费专利分析。
分析报告
专利汇分析报告产品可以对行业情报数据进行梳理分析，涉及维度包括行业专利基本状况分析、地域分析、技术分析、发明人分析、申请人分析、专利权人分析、失效分析、核心专利分析、法律分析、研发重点分析、企业专利处境分析、技术处境分析、专利寿命分析、企业定位分析、引证分析等超过60个分析角度，系统通过AI智能系统对图表进行解读，只需1分钟，一键生成行业专利分析报告。
失速控制热门专利
-
10 エンジンの制御装置
QQ群二维码
意见反馈
意见反馈