知搜-全球专利检索

  1. 登录
  2. 注册
发明授权
CN107131052B 可变长度连杆和可变压缩比内燃机 有权

可变长度连杆和可变压缩比内燃机
摘要：
提供可变长度连杆和可变压缩比内燃机。可变长度连杆具备液压活塞机构，使得用于对工作油向液压活塞机构的流动进行切换的机构简单。可变长度连杆具备：连杆主体、偏心部件、液压缸、液压活塞、止回阀、切换机构以及液压机构。止回阀允许工作油从止回阀的一次侧向二次侧的流动且禁止工作油从二次侧向一次侧的流动。切换机构具备一个切换销，切换销收纳于销收纳空间。在连杆主体形成有第一油路、第二油路、第三油路以及第四油路。切换销在使第一油路与第四油路连通且使第二油路与第三油路连通的第一位置和使第一油路与第三油路连通且使第二油路与第四油路连通的第二位置之间进行切换。
摘要（英）：

A variable length connecting rod (6) comprises a connecting rod body (31), an eccentric member (32), a hydraulic cylinder (33a), a hydraulic piston (33b), a check valve, a switching mechanism and a hydraulic mechanism.. The check valve permits a flow of hydraulic oil from a primary side of the check valve to a secondary side of the check valve and prohibits the flow from the secondary side to the primary side. The switching mechanism comprises a single switching pin. The connecting rod body is formed with first to fourth oil paths. The switching pin is switched between a first position making the first oil path communicate with the fourth oil path and making the second oil path communicate with the third oil path, and a second position making the first oil path communicate with the third oil path and making the second oil path communicate with the fourth oil path.

公开/授权文献
0/0