Title:
NOVEL ENGINE OIL ADJUSTING VALVE
Document Type and Number:
WIPO Patent Application WO/2024/016372
Kind Code:
A1
Abstract:
A novel engine oil adjusting valve, relating to the technical field of engine oil adjusting valves. The novel engine oil adjusting valve comprises a housing (1), the left side of the housing (1) being provided with an engine oil outlet (2), and the engine oil outlet (2) being communicated with a filtered engine oil cavity (3); an engine oil filter (4) being provided in the middle of the filtered engine oil cavity (3); the left side of the engine oil filter (4) being communicated with an unfiltered engine oil cavity (5); the left side of the unfiltered engine oil cavity (5) being provided with a first oil hole (6), and the lower portion of the unfiltered engine oil cavity (5) being provided with a main-oil-gallery oil inlet (7); the first oil hole (6) being communicated with a cavity to be subjected to discharge (8); a piston push rod (10) being provided in the cavity to be subjected to discharge (8), and a spring mounting cavity (11) being formed below the cavity to be subjected to discharge (8); and the spring mounting cavity (11) being internally provided with a spring (12), and being provided with a third oil hole (13) in the left side. The engine oil pressure behind the filter is directly adjusted by means of controlling the flow of engine oil in front of the filter, keeping the pressure of filtered engine oil in a stable state, achieving high adjustment accuracy, and prolonging the service life of engine oil filters.
Inventors:
ZHANG LIANGLIANG (CN)
ZHANG HONGLEI (CN)
YANG TIANYUN (CN)
ZHENG YONGQIANG (CN)
MI GUI (CN)
WU YINING (CN)
YANG FAN (CN)
ZHANG HONGLEI (CN)
YANG TIANYUN (CN)
ZHENG YONGQIANG (CN)
MI GUI (CN)
WU YINING (CN)
YANG FAN (CN)
Application Number:
PCT/CN2022/107801
Publication Date:
January 25, 2024
Filing Date:
July 26, 2022
Export Citation:
Assignee:
CRRC QISHUYAN CO LTD (CN)
International Classes:
F01M1/16; F01M11/03
Foreign References:
| CN101082293A | 2007-12-05 | |||
| CN206860251U | 2018-01-09 | |||
| CN103806976A | 2014-05-21 | |||
| CN212106002U | 2020-12-08 | |||
| CN217681905U | 2022-10-28 | |||
| EP1420148A2 | 2004-05-19 | |||
| CN107956533A | 2018-04-24 | |||
| CN215486200U | 2022-01-11 |
Attorney, Agent or Firm:
CHANGZHOU XIACHENG PATENT OFFICE (GENERAL PARTNERSHIP) (CN)
Download PDF: