JPH0337240U - - Google Patents
Info
- Publication number
- JPH0337240U JPH0337240U JP9758089U JP9758089U JPH0337240U JP H0337240 U JPH0337240 U JP H0337240U JP 9758089 U JP9758089 U JP 9758089U JP 9758089 U JP9758089 U JP 9758089U JP H0337240 U JPH0337240 U JP H0337240U
- Authority
- JP
- Japan
- Prior art keywords
- throttle valve
- valve shaft
- control device
- air control
- diffusion layer
- 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
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 4
- 238000009792 diffusion process Methods 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- 229910017464 nitrogen compound Inorganic materials 0.000 claims description 2
- 150000002830 nitrogen compounds Chemical class 0.000 claims description 2
- 229910001018 Cast iron Inorganic materials 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 claims 1
- 238000005121 nitriding Methods 0.000 claims 1
- 150000003839 salts Chemical class 0.000 claims 1
- 239000010959 steel Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
Landscapes
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Description
第１〜３図は本考案の第１実施例を示すもので
、第１図は空気制御装置の断面図、第２図は絞弁
軸の表面組織図、第３図は絞弁軸の処理工程図で
ある。第４，５図は本考案の第２実施例を示すも
ので、第４図は絞弁軸の処理工程図、第５図は絞
弁軸の表面組織図である。
１６……ボール軸受、１６ａ……内輪、３０…
…絞弁軸、３２……絞弁、１０１……窒素拡散層
、１０２……窒素化合物層。
Figures 1 to 3 show the first embodiment of the present invention. Figure 1 is a sectional view of the air control device, Figure 2 is a surface structure diagram of the throttle valve shaft, and Figure 3 is the processing of the throttle valve shaft. It is a process diagram. 4 and 5 show a second embodiment of the present invention, in which FIG. 4 is a processing process diagram of the throttle valve shaft, and FIG. 5 is a diagram of the surface structure of the throttle valve shaft. 16...Ball bearing, 16a...Inner ring, 30...
...throttle valve shaft, 32...throttle valve, 101...nitrogen diffusion layer, 102...nitrogen compound layer.
Claims (1)
きまばめされる支持構造を備えた空気制御装置に
おいて、 前記絞弁軸が、鋼及び鋳鉄等の金属製素材に低
温塩浴窒化処理を施すことによりその表面に窒素
拡散層が形成されるとともにその拡散層上に窒素
化合物層が形成されてなる空気制御装置。[Scope of Claim for Utility Model Registration] In an air control device equipped with a support structure in which a throttle valve shaft of a throttle valve is loosely fitted into an inner ring of a bearing such as a ball bearing, the throttle valve shaft is made of metal such as steel or cast iron. An air control device in which a nitrogen diffusion layer is formed on the surface of a manufactured material by subjecting it to low-temperature salt bath nitriding treatment, and a nitrogen compound layer is also formed on the diffusion layer.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9758089U JPH0337240U (en) | 1989-08-22 | 1989-08-22 | |
| US07/432,913 US4938452A (en) | 1988-12-10 | 1989-11-07 | Air control device for internal combustion engine |
| US07/480,550 US4938614A (en) | 1988-12-10 | 1990-02-15 | Air control device for internal combustion engine |
| US07/514,147 US4981284A (en) | 1988-12-10 | 1990-04-25 | Air control device for internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9758089U JPH0337240U (en) | 1989-08-22 | 1989-08-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0337240U true JPH0337240U (en) | 1991-04-11 |
Family
ID=31646716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9758089U Pending JPH0337240U (en) | 1988-12-10 | 1989-08-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0337240U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100707386B1 (en) * | 2006-11-21 | 2007-04-16 | 김정개 | Bury in wall type roll type tissue supporter |
| US9307875B2 (en) | 2012-11-13 | 2016-04-12 | Chad Clarkin | Concealable toilet paper spindle and method of use |
-
1989
- 1989-08-22 JP JP9758089U patent/JPH0337240U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100707386B1 (en) * | 2006-11-21 | 2007-04-16 | 김정개 | Bury in wall type roll type tissue supporter |
| US9307875B2 (en) | 2012-11-13 | 2016-04-12 | Chad Clarkin | Concealable toilet paper spindle and method of use |