JPS6021580U - Vacuum pump driven by a camshaft in internal combustion engines such as automobiles - Google Patents
Vacuum pump driven by a camshaft in internal combustion engines such as automobilesInfo
- Publication number
- JPS6021580U JPS6021580U JP11321983U JP11321983U JPS6021580U JP S6021580 U JPS6021580 U JP S6021580U JP 11321983 U JP11321983 U JP 11321983U JP 11321983 U JP11321983 U JP 11321983U JP S6021580 U JPS6021580 U JP S6021580U
- Authority
- JP
- Japan
- Prior art keywords
- camshaft
- internal combustion
- combustion engine
- pump
- vacuum pump
- 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.)
- Granted
Links
Landscapes
- Reciprocating Pumps (AREA)
- Details Of Reciprocating Pumps (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の真空ポンプの駆動系を示す概略構成図、
第２図は真空ポンプの従来例であるベーン型真空ポンプ
を示す側断面図、第３図は本考案に係る真空ポンプの一
実施例を示す側断面図、第４図は、本考案に係る内燃機
関の吸排気弁の開閉位相変化の一実施例を示すグラフ図
、第５図は本考案に係る真空ポンプの詳細な構成の一実
施例を示す側断面図である。
尚、図中、１はシリンダヘッドカバー、２はカム軸、３
，４は吸・排気弁用のカム、５，６は真空ポンプ、７は
ポンプ室、９は吸入口、１０は吐出口、１２はダイヤフ
ラム、１５はロッド部材、２０は付勢手段、２１．２２
は逆止弁である。Figure 1 is a schematic configuration diagram showing the drive system of a conventional vacuum pump.
Fig. 2 is a side sectional view showing a vane type vacuum pump which is a conventional example of a vacuum pump, Fig. 3 is a side sectional view showing an embodiment of the vacuum pump according to the present invention, and Fig. 4 is a side sectional view showing an embodiment of the vacuum pump according to the present invention. FIG. 5 is a graph diagram showing an example of changes in the opening/closing phase of intake and exhaust valves of an internal combustion engine, and FIG. 5 is a side sectional view showing an example of the detailed configuration of the vacuum pump according to the present invention. In the figure, 1 is the cylinder head cover, 2 is the camshaft, and 3 is the cylinder head cover.
, 4 are cams for intake and exhaust valves, 5 and 6 are vacuum pumps, 7 is a pump chamber, 9 is an intake port, 10 is a discharge port, 12 is a diaphragm, 15 is a rod member, 20 is a biasing means, 21. 22
is a check valve.
Claims (2)
のポンプ室と、これらポンプ室内に設けられ室内を収縮
膨張させるタイヤフラムと、内燃機関によって回動駆動
され内燃機関への吸排気弁を駆動するカム軸上に設けら
れたカムと、これらカムによって連続した位相で配列順
に往復移動されると共に夫々のダイヤフラムを作動させ
るためのロッド部材と、これらロッド部材を上記カム軸
側へ押圧する付勢手段と、上記吸入口と吐出口とにそれ
ぞれ設けられ、ポンプ室内の空気を一方向に流出させる
ための逆止弁とを備えたことを特徴とする自動車等の内
燃機関におけるカム軸によって駆動される真空ポンプ。(1) A plurality of pump chambers in which suction ports and discharge ports are connected in series, a tire flam installed in these pump chambers to deflate and expand the chamber, and a tire flam that is rotatably driven by an internal combustion engine to supply air for intake and exhaust to the internal combustion engine. A cam installed on the camshaft that drives the valve, a rod member that is reciprocated by these cams in an array order in continuous phases and operates each diaphragm, and presses these rod members toward the camshaft. A camshaft for an internal combustion engine of an automobile or the like, characterized in that the camshaft is equipped with a biasing means for activating the air, and a check valve provided at each of the suction port and the discharge port for causing air in the pump chamber to flow out in one direction. Vacuum pump driven by.
ンダヘッドカバー上に一体的に形成亦れた上記実用新案
登録請求の範囲第１項記載の自動車等の内燃機関におけ
るカム軸によって駆動される真空ポンプ。(2) A vacuum driven by a camshaft in an internal combustion engine of an automobile or the like as set forth in claim 1 of the utility model registration claim, wherein the pump chamber is integrally formed on a cylinder head cover that partitions and forms the internal combustion engine. pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11321983U JPS6021580U (en) | 1983-07-22 | 1983-07-22 | Vacuum pump driven by a camshaft in internal combustion engines such as automobiles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11321983U JPS6021580U (en) | 1983-07-22 | 1983-07-22 | Vacuum pump driven by a camshaft in internal combustion engines such as automobiles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6021580U true JPS6021580U (en) | 1985-02-14 |
| JPH0212277Y2 JPH0212277Y2 (en) | 1990-04-06 |
Family
ID=30262172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11321983U Granted JPS6021580U (en) | 1983-07-22 | 1983-07-22 | Vacuum pump driven by a camshaft in internal combustion engines such as automobiles |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6021580U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6236232U (en) * | 1985-08-21 | 1987-03-03 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5437714U (en) * | 1977-08-19 | 1979-03-12 | ||
| JPS5681127U (en) * | 1979-11-27 | 1981-07-01 |
-
1983
- 1983-07-22 JP JP11321983U patent/JPS6021580U/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5437714U (en) * | 1977-08-19 | 1979-03-12 | ||
| JPS5681127U (en) * | 1979-11-27 | 1981-07-01 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6236232U (en) * | 1985-08-21 | 1987-03-03 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0212277Y2 (en) | 1990-04-06 |
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