JPH02122193U - - Google Patents

Info

Publication number
JPH02122193U
JPH02122193U JP2918189U JP2918189U JPH02122193U JP H02122193 U JPH02122193 U JP H02122193U JP 2918189 U JP2918189 U JP 2918189U JP 2918189 U JP2918189 U JP 2918189U JP H02122193 U JPH02122193 U JP H02122193U
Authority
JP
Japan
Prior art keywords
rotor
bearing
mating surface
fluid
pair
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
Application number
JP2918189U
Other languages
Japanese (ja)
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 JP2918189U priority Critical patent/JPH02122193U/ja
Publication of JPH02122193U publication Critical patent/JPH02122193U/ja
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00Rotary-piston machines or pumps
    • F04C2/08Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/12Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • F04C2/14Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
    • F04C2/18Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with similar tooth forms
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01CROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C21/00Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
    • F01C21/02Arrangements of bearings

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)

Description

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

第1図乃至第4図は本考案の一実施例を示し、
第1図は本考案の流体ポンプの断面図、第2図は
第1図の−線に沿う断面図、第3図は第1図
の回転子と軸受の分解斜視図、第4図は同軸受の
合わせ面を合わせた状態の側面図、第5図は本考
案の他の実施例を示す第4図と同状図、第6図は
従来例を示す第3図と同状面、第7図は第6図に
おける軸受の合わせ面を合わせた状態を示す側面
図である。 10……流体ポンプ、11……ポンプケーシン
グ、19,20……回転子、21〜24……スペ
ーサ、21b〜24b……合わせ面、25,26
……シール壁部。
1 to 4 show an embodiment of the present invention,
Figure 1 is a sectional view of the fluid pump of the present invention, Figure 2 is a sectional view taken along the - line in Figure 1, Figure 3 is an exploded perspective view of the rotor and bearing in Figure 1, and Figure 4 is the same. FIG. 5 is a side view of the bearing with its mating surfaces aligned; FIG. 5 is a view similar to FIG. 4 showing another embodiment of the present invention; FIG. FIG. 7 is a side view showing a state in which the mating surfaces of the bearings in FIG. 6 are aligned. 10... Fluid pump, 11... Pump casing, 19, 20... Rotor, 21-24... Spacer, 21b-24b... Matching surface, 25, 26
...Seal wall.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ポンプケーシングの内孔部に嵌装した一対の回
転子を回転させることにより流体を圧送すると共
に、前記内孔部の、前記ポンプケーシングの端面
と前記回動子の端面との間に、前記回転子を夫々
回転自在に軸支する一対の軸受を嵌合し、一方の
回転子の軸受の合わせ面と他方の回転子の軸受の
合わせ面とを当接してなる流体ポンプにおいて、
前記軸受の合わせ面に、前記回転子の軸線方向に
沿い且つ入力側と出力側とを遮断するシール手段
を設けたことを特徴とする流体ポンプ。
The fluid is pumped by rotating a pair of rotors fitted in the inner hole of the pump casing, and the rotation is carried out between the end surface of the pump casing and the end surface of the rotor in the inner hole. A fluid pump in which a pair of bearings that rotatably support each rotor are fitted, and the mating surface of the bearing of one rotor is in contact with the mating surface of the bearing of the other rotor,
A fluid pump characterized in that a sealing means is provided on a mating surface of the bearing along the axial direction of the rotor and for blocking an input side and an output side.
JP2918189U 1989-03-16 1989-03-16 Pending JPH02122193U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2918189U JPH02122193U (en) 1989-03-16 1989-03-16

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2918189U JPH02122193U (en) 1989-03-16 1989-03-16

Publications (1)

Publication Number Publication Date
JPH02122193U true JPH02122193U (en) 1990-10-05

Family

ID=31253168

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2918189U Pending JPH02122193U (en) 1989-03-16 1989-03-16

Country Status (1)

Country Link
JP (1) JPH02122193U (en)

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