JPH01105749U - - Google Patents
Info
- Publication number
- JPH01105749U JPH01105749U JP20106287U JP20106287U JPH01105749U JP H01105749 U JPH01105749 U JP H01105749U JP 20106287 U JP20106287 U JP 20106287U JP 20106287 U JP20106287 U JP 20106287U JP H01105749 U JPH01105749 U JP H01105749U
- Authority
- JP
- Japan
- Prior art keywords
- seal oil
- valve
- passage
- gas
- injection valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 239000010720 hydraulic oil Substances 0.000 claims description 3
- 239000003921 oil Substances 0.000 claims 5
- 239000000446 fuel Substances 0.000 claims 2
- 230000007423 decrease Effects 0.000 claims 1
- -1 etc. Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１〜３図は本考案に係るもので、第１図はガ
ス噴射弁の断面図（第２図の―断面図）第２
図は第１図の―断面図、第３図はガス噴射弁
の性能曲線図、第４〜７図は従来例で、第４図は
第６図の―断面図、第５図は第６図の―
断面図、第６図は第４図の―断面図、第７図
は第３図応当図である。
４……針弁、１４……作動油通路、１０……シ
ール通路、１０４……連絡通路、１０１……逆止
弁。
Figures 1 to 3 are related to the present invention, and Figure 1 is a cross-sectional view of the gas injection valve (cross-sectional view of Figure 2).
The figure is a sectional view of Fig. 1, Fig. 3 is a performance curve diagram of the gas injection valve, Figs. 4 to 7 are conventional examples, Fig. 4 is a sectional view of Fig. 6, and Fig. 5 is a sectional view of the gas injection valve. Figure -
6 is a cross-sectional view of FIG. 4, and FIG. 7 is a view corresponding to FIG. 3. 4... Needle valve, 14... Hydraulic oil passage, 10... Seal passage, 104... Communication passage, 101... Check valve.
Claims (1)
を他の作動油等により弁の開閉を行ないガス燃料
を所定期間噴射するガス噴射弁において、作動油
通路とシール油通路を連通させる連絡通路を設け
るとともに、該シール油通路内に逆止弁１０１を
配設し、作動油圧の低下時においてもシール油溜
りのシール油圧を保持するように構成したガス噴
射弁。 In a gas injection valve that injects gas fuel for a predetermined period of time by opening and closing the valve using other hydraulic oil, etc., gas fuel introduced from a gas supply device such as a container, a communication passage is provided to communicate the hydraulic oil passage and the seal oil passage. Additionally, a check valve 101 is disposed in the seal oil passage, and the gas injection valve is configured to maintain the seal oil pressure in the seal oil reservoir even when the operating oil pressure decreases.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20106287U JPH01105749U (en) | 1987-12-29 | 1987-12-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20106287U JPH01105749U (en) | 1987-12-29 | 1987-12-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01105749U true JPH01105749U (en) | 1989-07-17 |
Family
ID=31491440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20106287U Pending JPH01105749U (en) | 1987-12-29 | 1987-12-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01105749U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012031825A (en) * | 2010-08-02 | 2012-02-16 | Goto Ikueikai | Sealing structure and gas injection valve |
-
1987
- 1987-12-29 JP JP20106287U patent/JPH01105749U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012031825A (en) * | 2010-08-02 | 2012-02-16 | Goto Ikueikai | Sealing structure and gas injection valve |
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