JPH0261137U - - Google Patents

Info

Publication number
JPH0261137U
JPH0261137U JP14167988U JP14167988U JPH0261137U JP H0261137 U JPH0261137 U JP H0261137U JP 14167988 U JP14167988 U JP 14167988U JP 14167988 U JP14167988 U JP 14167988U JP H0261137 U JPH0261137 U JP H0261137U
Authority
JP
Japan
Prior art keywords
vacuum pump
peak
engine
crank mechanism
drive device
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
Application number
JP14167988U
Other languages
Japanese (ja)
Other versions
JPH0712675Y2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP14167988U priority Critical patent/JPH0712675Y2/en
Publication of JPH0261137U publication Critical patent/JPH0261137U/ja
Application granted granted Critical
Publication of JPH0712675Y2 publication Critical patent/JPH0712675Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図〜第５図は本考案の実施例を示すもので
、第１図は往復動ピストン型バキユームポンプが
装着されたエンジンの概略正面図、第２図は一部
を切り欠いて示した上記バキユームポンプの拡大
正面図、第３図は第２図を―線で切断した断
面図、第４図はクランクアームとコンロツドのな
す角度がピストン下降方向において９０度になる
場合における位相関係の説明図、第５図は作用の
説明図である。 １…エンジン、６…往復動ピストン型バキユー
ムポンプ、１３，１４…カム部（吸・排気カム）
、１５…カム軸、１８…クランク機構、１９…ク
ランクアーム、２１…コンロツド。 Figures 1 to 5 show an embodiment of the present invention. Figure 1 is a schematic front view of an engine equipped with a reciprocating piston type vacuum pump, and Figure 2 is a partially cutaway diagram. Fig. 3 is a cross-sectional view of Fig. 2 taken along the - line, and Fig. 4 shows the phase relationship when the angle between the crank arm and connecting rod is 90 degrees in the piston descending direction. FIG. 5 is an explanatory diagram of the operation. 1... Engine, 6... Reciprocating piston type vacuum pump, 13, 14... Cam section (suction/exhaust cam)
, 15...Camshaft, 18...Crank mechanism, 19...Crank arm, 21...Conrod.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 複数のカム部が設けられたカム軸によりクラン
ク機構を介して往復動ピストン型バキユームポン
プを駆動するようにしたエンジンのバキユームポ
ンプ駆動装置であつて、上記カム軸の駆動トルク
のピークと次のピークとの中間回転角位置で、上
記クランク機構におけるクランクアームとコンロ
ツドのなす角度が該ポンプのピストンの下降方向
における９０度若しくはこれに近い角度となるよ
うに、上記カム軸とクランク機構との位相関係を
設定したことを特徴とするエンジンのバキユーム
ポンプ駆動装置。 A vacuum pump drive device for an engine that drives a reciprocating piston type vacuum pump via a crank mechanism using a cam shaft provided with a plurality of cam portions, the drive torque of the cam shaft being peak and peak. The camshaft and crank mechanism are arranged so that, at an intermediate rotational angle position between the peak of A vacuum pump drive device for an engine, characterized in that a phase relationship is set.
JP14167988U 1988-10-29 1988-10-29 Engine vacuum pump drive Expired - Lifetime JPH0712675Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14167988U JPH0712675Y2 (en) 1988-10-29 1988-10-29 Engine vacuum pump drive

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14167988U JPH0712675Y2 (en) 1988-10-29 1988-10-29 Engine vacuum pump drive

Publications (2)

Publication Number Publication Date
JPH0261137U true JPH0261137U (en) 1990-05-07
JPH0712675Y2 JPH0712675Y2 (en) 1995-03-29

Family

ID=31406961

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14167988U Expired - Lifetime JPH0712675Y2 (en) 1988-10-29 1988-10-29 Engine vacuum pump drive

Country Status (1)

Country Link
JP (1) JPH0712675Y2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006052708A (en) * 2004-08-16 2006-02-23 Honda Motor Co Ltd Fuel direct injection type internal combustion engine
JP2007192078A (en) * 2006-01-18 2007-08-02 Yamaha Motor Co Ltd Engine and car
JP2014129730A (en) * 2012-12-28 2014-07-10 Fuji Heavy Ind Ltd Engine accessory

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006052708A (en) * 2004-08-16 2006-02-23 Honda Motor Co Ltd Fuel direct injection type internal combustion engine
JP4538279B2 (en) * 2004-08-16 2010-09-08 本田技研工業株式会社 Direct fuel injection internal combustion engine
JP2007192078A (en) * 2006-01-18 2007-08-02 Yamaha Motor Co Ltd Engine and car
JP2014129730A (en) * 2012-12-28 2014-07-10 Fuji Heavy Ind Ltd Engine accessory

Also Published As

Publication number Publication date
JPH0712675Y2 (en) 1995-03-29

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