Igniter for a natural gas engine
CN224693487UActive Publication Date: 2026-08-28CHONGQING HONGJIANG MACHINERY CO LTD
View PDF 0 Cites 0 Cited by
Patent Information
- Application Number
- CN202520711940.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-15
- Publication Date
- 2026-08-28
- Estimated Expiration
- 2035-04-15
AI Technical Summary
Benefits of technology
将止回阀体的第一锥面的密封角度由现有的30°~45°调小为10～30°，在止回阀体的第一锥面粗糙度较差及预燃室内的压力较小时依然有良好的密封效果，可降低加工难度；第一锥面经淬火提高硬度，有效提高了使用寿命。在预燃室内的气压不改变的前提下，在相同的气体压力下，第一锥面的较小的角度会使气体压力更多地转化为垂直于第一锥面的密封力，而不是沿锥面的分力；因此，第一锥面的较小的角度会使钢球受到的法向力（垂直于锥面的力）增大，从而增强密封效果。
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN224693487U_ABST
Abstract
The utility model provides a kind of igniter of natural gas engine, with good gas tightness, reduce manufacturing cost.The igniter of natural gas engine includes: shell and check valve assembly;Shell is equipped with gas inlet hole, second axial hole and precombustion chamber;Check valve assembly includes check valve body, steel ball, check valve insert body and check valve cap;Check valve cap is installed in second axial hole, check valve body and check valve insert body are assembled in the inside of check valve cap from top to bottom, and the inside passage of check valve body, check valve insert body and check valve cap is connected with gas inlet hole and precombustion chamber;Steel ball is limited between the first taper surface of check valve body and the inclined surface of check valve insert body;The taper surface angle of check valve body is 10~30 °.
Need to check novelty before this filing date? Find Prior Art