Invention Grant
- Patent Title: Pump module, evaporated fuel processing device provided with pump module, and pump control circuit
-
Application No.: US16482014Application Date: 2017-12-27
-
Publication No.: US11035322B2Publication Date: 2021-06-15
- Inventor: Daisaku Asanuma
- Applicant: AISAN KOGYO KABUSHIKI KAISHA
- Applicant Address: JP Obu
- Assignee: AISAN KOGYO KABUSHIKI KAISHA
- Current Assignee: AISAN KOGYO KABUSHIKI KAISHA
- Current Assignee Address: JP Obu
- Agency: Shumaker, Loop & Kendrick, LLP
- Priority: JPJP2017-020746 20170207
- International Application: PCT/JP2017/047112 WO 20171227
- International Announcement: WO2018/146977 WO 20180816
- Main IPC: F02M25/00
- IPC: F02M25/00 ; F02M25/08 ; F02M37/04 ; F02D41/26 ; F02D41/30 ; F04B17/04
Abstract:
A pump module includes a pump section that discharges evaporated fuel generated in a fuel tank to an intake path of an internal combustion engine. The pump module also stores correction information for correcting a rotation speed of the pump section based on a difference between a reference discharge characteristic of a reference pump section at a predetermined rotation speed and a discharge characteristic of the pump section at the predetermined rotation speed.
Public/Granted literature
- US20200003162A1 PUMP MODULE, EVAPORATED FUEL PROCESSING DEVICE PROVIDED WITH PUMP MODULE, AND PUMP CONTROL CIRCUIT Public/Granted day:2020-01-02
Information query
