发明名称 HYDRAULIC CONTROL SYSTEM
摘要 A hydraulic control system includes a first oil passage, a first oil pump, a second oil passage, a second oil pump and a check valve. The first oil pump is disposed in the first oil passage. The second oil passage bypasses the first oil pump, includes an intake oil passage and a discharge oil passage, the intake oil passage and the first oil passage are connected to each other at a connection point, and the discharge oil passage includes an air vent hole. The second oil pump is disposed in the second oil passage, configured to take in oil from the intake passage, and configured to discharge the oil into the discharge oil passage. The check valve is provided between the connection point and the air vent hole, configured to restrict flow of the oil from the air vent hole toward the connection point via the second oil pump.
申请公布号 US2015113971(A1) 申请公布日期 2015.04.30
申请号 US201414523143 申请日期 2014.10.24
申请人 TOYOTA JIDOSHA KABUSHIKI KAISHA 发明人 Morita Hiroki;Ota Hirofumi;Dodo Kohei;Kubonoya Hideki;Nishimura Naoki
分类号 E02F9/22;F15B11/17 主分类号 E02F9/22
代理机构 代理人
主权项 1. A hydraulic control system comprising: a first oil passage; a first oil pump disposed in the first oil passage; a second oil passage bypassing the first oil pump, the second oil passage including an intake oil passage and a discharge oil passage, the intake oil passage and the first oil passage being connected to each other at a connection point, and the discharge oil passage including an air vent hole; a second oil pump disposed in the second oil passage, the second oil pump configured to take in oil from the intake oil passage, and the second oil pump configured to discharge the oil into the discharge oil passage; and a check valve being provided between the connection point and the air vent hole, the check valve configured to restrict flow of the oil from the air vent hole toward the connection point via the second oil pump.
地址 Toyota-shi Aichi-ken JP