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
Links
- 239000012530 fluid Substances 0.000 claims description 5
- 230000013011 mating Effects 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims 1
- 238000007789 sealing Methods 0.000 claims 1
- 125000006850 spacer group Chemical group 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C2/12—Rotary-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
- F04C2/14—Rotary-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
- F04C2/18—Rotary-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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
- F01C21/02—Arrangements 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
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)
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.
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) |
-
1989
- 1989-03-16 JP JP2918189U patent/JPH02122193U/ja active Pending
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