Title:
内燃機関の潤滑油注入構造
Document Type and Number:
Japanese Patent JP6700602
Kind Code:
B2
Abstract:
A pouring pipe (25) projects upward from a head cover body (15), which is a main portion of a cylinder head cover (14), and has a pouring port (32) for lubricant oil (O1) at the upper end of the pouring pipe (25). A filler cap (35) is detachably attached to the pouring pipe (25) from above such that the pouring port (32) is selectively closed and opened. An outer wall (41) is arranged between an outer circumferential surface of the pouring pipe (25) and the head cover body (15). The outer wall (41) surrounds at least part in the circumferential direction of the outer circumferential surface of the pouring pipe (25) with a hollow portion (44) in between. At least part of a lower end of the pouring pipe (25) and at least part of a lower end of the hollow portion (44) are open to an internal space (47) of the head cover body (15). A communicating portion (45), which allows communication between an internal space (46) of the pouring pipe (25) and the hollow portion (44), is formed in at least a lower portion of a section of the pouring pipe (25) that is surrounded by the outer wall (41).
Inventors:
Nawa Teruyoshi
Application Number:
JP2016171787A
Publication Date:
May 27, 2020
Filing Date:
September 02, 2016
Export Citation:
Assignee:
Toyota Boshoku Co., Ltd.
International Classes:
F01M11/04; F01M11/00; F02F7/00
Domestic Patent References:
| JP2010174631A | ||||
| JP2009209836A | ||||
| JP2012002187A | ||||
| JP6083912U | ||||
| JP7293220A | ||||
| JP2010059936A | ||||
| JP2001193555A | ||||
| JP2014122559A | ||||
| JP2014105631A | ||||
| JP10299448A | ||||
| JP6018645U | ||||
| JP2012117372A | ||||
| JP61175514U | ||||
| JP2008038655A | ||||
| JP2007092637A |
Foreign References:
| US20150028031 | ||||
| US20120267005 |
Attorney, Agent or Firm:
Makoto Onda
Hironobu Onda
Hironobu Onda