专利名称：System and method of retaining hydraulic关于春节诗句
fluid in a hydraulic valve actuation system
发明人：Gian M. Olivetti,Harald Fessler,Richard E.
红烧鲫鱼的家常做法
Vanderpoel
烫面的做法
申请号：US10737932
申请日：20031218
公开号：US20050132985A1
电脑网络电话公开日：
20050623
专利内容由知识产权出版社提供
专利附图：
摘要：Methods and systems for retaining hydraulic fluid in a hydraulic valve actuation system adapted to be installed on an internal combustion engine are disclod. The
system may include a hydraulic fluid supply connected by one or more passages to a fluid accumulator and a hydraulic valve actuator. The one or more passages may include a retaining portion elevated above portions of the fluid accumulator and/or the hydraulic valve actuator. The retaining portion may include an air vent and thus prevent back flow of all the fluid in the accumulator and/or hydraulic valve actuator to the fluid supply during periods that the engine is shut off. Retention of hydraulic fluid in the system may be further enhanced during engine shut off by lectively controlling the relea of hydraulic fluid from the hydraulic valve actuator during the engine shut off process.
申请人：Gian M. Olivetti,Harald Fessler,Richard E. Vanderpoel
地址：Torino IT,Arbon CH,Bloomfield CT US
念念不忘造句国籍：IT,CH,US
矿产储量香草冰淇淋>三点水打一字
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