JPH02144683U - - Google Patents
Info
- Publication number
- JPH02144683U JPH02144683U JP5438689U JP5438689U JPH02144683U JP H02144683 U JPH02144683 U JP H02144683U JP 5438689 U JP5438689 U JP 5438689U JP 5438689 U JP5438689 U JP 5438689U JP H02144683 U JPH02144683 U JP H02144683U
- Authority
- JP
- Japan
- Prior art keywords
- gears
- depth
- gear pump
- pump motor
- casing
- 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
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 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
- 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
- F04C2/082—Details specially related to intermeshing engagement type machines or pumps
- F04C2/084—Toothed wheels
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
- Rotary Pumps (AREA)
Description
第１図は本考案をポンプに適用した一実施例を
示す縦断面図、第２図は第１図の−矢視縦断
面図、第３図は第１図の歯車を示す部分拡大図、
第４図は第３図の変形例を示す同じく縦断面図で
ある。第５図は従来のギアポンプを示す縦断面図
、第６図は第５図の−矢視横断面図である。
１…ケーシング、２…駆動歯車、３…従動歯車
、４ａ，４ｂ，５ａ，５ｂ…軸受、６…前側板、
７…後側板、８…空間、９…空間、１０，１１，
…流路、１２，１３…逃げ溝、１４，１５…逃げ
溝、１６，１７…流路、１８…吸入口、１９…吐
出口、２０…オイルシール。
FIG. 1 is a longitudinal sectional view showing an embodiment in which the present invention is applied to a pump, FIG. 2 is a longitudinal sectional view taken along the - arrow in FIG. 1, and FIG. 3 is a partially enlarged view showing the gear in FIG. 1.
FIG. 4 is a longitudinal sectional view showing a modification of FIG. 3. FIG. 5 is a longitudinal cross-sectional view showing a conventional gear pump, and FIG. 6 is a cross-sectional view taken along the - arrow in FIG. DESCRIPTION OF SYMBOLS 1... Casing, 2... Drive gear, 3... Driven gear, 4a, 4b, 5a, 5b... Bearing, 6... Front side plate,
7... Rear side plate, 8... Space, 9... Space, 10, 11,
...Flow path, 12, 13... Relief groove, 14, 15... Relief groove, 16, 17... Channel, 18... Suction port, 19... Discharge port, 20... Oil seal.
Claims (1)
る１対のギアを軸支してなるギアポンプ・モータ
ーにおいて、上記両ギアの歯底の両側における深
さをそれぞれその央部における深さよりも若干深
くしたことを特徴とするギアポンプ・モーター。 In a gear pump motor, which has a pair of gears that mesh with each other, supported between opposing side plates of a casing, the depth on both sides of the tooth bottoms of the two gears is slightly deeper than the depth at the center thereof. A gear pump motor characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5438689U JPH02144683U (en) | 1989-05-11 | 1989-05-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5438689U JPH02144683U (en) | 1989-05-11 | 1989-05-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02144683U true JPH02144683U (en) | 1990-12-07 |
Family
ID=31576405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5438689U Pending JPH02144683U (en) | 1989-05-11 | 1989-05-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02144683U (en) |
-
1989
- 1989-05-11 JP JP5438689U patent/JPH02144683U/ja active Pending