EP1242744A1 - Pump housing - Google Patents
Pump housingInfo
- Publication number
- EP1242744A1 EP1242744A1 EP00982243A EP00982243A EP1242744A1 EP 1242744 A1 EP1242744 A1 EP 1242744A1 EP 00982243 A EP00982243 A EP 00982243A EP 00982243 A EP00982243 A EP 00982243A EP 1242744 A1 EP1242744 A1 EP 1242744A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- housing
- tabs
- recesses
- fan
- ear
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/06—Cooling; Heating; Prevention of freezing
- F04B39/066—Cooling by ventilation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
- F04D29/703—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards
Definitions
- This invention relates to pumps such as compressors and vacuum pumps, and in
- Reciprocating piston or diaphragm pumps typically have a metal housing, for
- a metal housing is needed, particularly for larger pumps, to
- a rotary electric motor is usually used to drive these pumps and the motor
- the motor is provided between two housings, each
- the motor is a through shaft so that each end of the shaft mounts one of the pistons or
- a rotary fan blade is mounted to each end of the shaft to draw a flow of cooling
- rotary fan blade is mounted circular and just slightly larger than the diameter of the fan
- the end of the housing must be closed with a cover which permits air to be
- the invention provides a fan guard which easily attaches to the housing, without
- the fan guard is perforated so as to permit the inflow of air to the housing
- peripheral tabs which extend into the housing in a direction parallel to the
- the tabs have a crescent-shaped profile, and similarly shaped recesses
- the crescent-shaped recesses of the housing have holes
- Each tab of the fan guard has an ear which snaps into the hole in the
- the recesses and holes are cast-in features of the housing.
- holes which are formed in the recesses preferably have a horizontal axis to permit them
- Each ear also has an axis, which
- a ramped surface is preferably provided on the distal end
- fan guard tabs are inserted into the end of the housing.
- the crescent-shaped tabs which are also referred to herein as D-shaped, are
- case portion of the housing may be provided.
- the tabs and recesses are provided with two on
- the fan guard will generally be round, but it is desirable to provide at least one
- housing recesses are arranged symmetrically on opposite sides of a vertical axis, the holes
- Fig. 1 is a perspective view of a pump incorporating the invention
- Fig. 2 is a view like Fig. 1, but with the fan guards exploded off of the pump
- Fig.3 is a sectional view with its plane radial to the shaft of the pump and through
- Fig.4 is a detail view from the same plane as Fig. 3 of a single one of the tabs and
- Fig.5 is a longitudinal cross-sectional view of one of the tabs received in a recess
- Fig. 1 illustrates a pump 10 of the invention having a motor 12 with a housing 14
- the housings 14 and 16 are cast of aluminum
- the pump 10 also includes fan guards 40, one at each end, which are identical to
- the motor 12 has a shaft 42 which extends through it
- the housing of the motor 12 is provided with holes to provide for the exhaust
- the housings 14 and 16 mount bearings (bearings not shown)
- the housings 14 and 16 also have openings in them which journal the shaft 42.
- the housings 14 and 16 also have openings in them which
- Each fan guard 40 is perforated, having radial spokes with spaced circular ribs
- guard 40 has a rim 50 which on its inner side defines a groove 52 in which a lip 54 of
- the adjacent housing 14, 16 is received to help locate the fan guard 40 radially relative
- a projection 56 extends radially from the rim 50 and fits into opening 58 which
- projection 56 helps locate the fan guard 40 angularly relative to the housing 14 or 16 to
- the fan guard 40 is made of a
- suitable resilient plastic resin such as a polyester polymer.
- Each guard 40 has four tabs 60, each in a different quadrant, which extend parallel
- each tab 60 is D- or crescent-
- Each tab 60 has an ear 68 which snaps into a hole 70 formed
- the recess 66 and hole 70 are both features which can readily be cast
- tabs 60 are symmetrical about lines which are radial to the shaft 42 along lines 84 and 86,
- the ears 68 and holes 70 are not, being aligned along the horizontal lines 80 and 82,
- each tab 60 has a ramped lead-in, or distal, surface 90
- ear 68 also has a proximal surface 92 which is at a right angle or nearly right angle to
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Rotary Pumps (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US16783999P | 1999-11-29 | 1999-11-29 | |
US167839P | 1999-11-29 | ||
PCT/US2000/032384 WO2001038743A1 (en) | 1999-11-29 | 2000-11-28 | Pump housing |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1242744A1 true EP1242744A1 (en) | 2002-09-25 |
EP1242744B1 EP1242744B1 (en) | 2006-04-05 |
Family
ID=22609054
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00982243A Expired - Lifetime EP1242744B1 (en) | 1999-11-29 | 2000-11-28 | Pump housing |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP1242744B1 (en) |
JP (1) | JP4052628B2 (en) |
CN (1) | CN1246595C (en) |
AU (1) | AU1930001A (en) |
CA (1) | CA2392909C (en) |
DE (1) | DE60027202T2 (en) |
MX (1) | MXPA02005296A (en) |
WO (1) | WO2001038743A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1936203A2 (en) | 2006-12-13 | 2008-06-25 | Pfeiffer Vacuum Gmbh | Vacuum pump with ventilator |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050220637A1 (en) | 2004-04-01 | 2005-10-06 | Hydro-Gear Limited Partnership | Fan shroud for pump |
US20060104833A1 (en) * | 2004-11-12 | 2006-05-18 | Thomas Industries Inc. | Fan guard having channel to direct cooling air to a piston cylinder |
GB2463822B (en) * | 2005-05-17 | 2010-06-09 | Thomas Industries Inc | Pump improvements |
ITTO20050839A1 (en) * | 2005-11-28 | 2007-05-29 | Faiveley Transp Piossasco S P A | GROUP OF GENERATION AND TREATMENT OF FLUIDS COMPRESSED AERIFORMS, WITH IMPROVED COOLING SYSTEM. |
WO2008030839A2 (en) * | 2006-09-05 | 2008-03-13 | Gardner Denver Thomas, Inc. | Fluid intake and exhaust fittings for a compressor or pump |
CN101163385B (en) * | 2006-10-12 | 2012-04-11 | 株式会社三社电机制作所 | Clamping structure for fan housing of power supply device for plating |
FR2931903B1 (en) * | 2008-05-30 | 2011-06-24 | Thomas Industries Inc | PUMP HOUSING |
JP6021141B2 (en) * | 2012-06-08 | 2016-11-09 | アルバック機工株式会社 | Pump device |
CN103470505A (en) * | 2013-09-30 | 2013-12-25 | 柳州易舟汽车空调有限公司 | Machine case of compressor |
WO2016106469A1 (en) * | 2014-12-29 | 2016-07-07 | 浙江鸿友压缩机制造有限公司 | Cooling layout structure for direct-connection-type oil-free compressor |
JP7044903B2 (en) | 2018-12-11 | 2022-03-30 | 日東工器株式会社 | Pump installation members |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2615884C2 (en) * | 1976-04-10 | 1985-12-12 | Maico Elektroapparate-Fabrik GmbH, 7730 Villingen-Schwenningen | Built-in fan |
DE3228395C2 (en) * | 1982-07-29 | 1986-07-24 | Hitachi, Ltd., Tokio/Tokyo | Method of making covers |
DE4337631A1 (en) * | 1993-11-04 | 1995-05-11 | Kloeckner Humboldt Deutz Ag | Protective device for a blower of an internal combustion engine |
US5584675A (en) * | 1995-09-15 | 1996-12-17 | Devilbiss Air Power Company | Cylinder sleeve for an air compressor |
GB2314593B (en) * | 1996-06-28 | 1999-11-10 | Thomas Industries Inc | Two-cylinder air compressor |
-
2000
- 2000-11-28 DE DE60027202T patent/DE60027202T2/en not_active Expired - Lifetime
- 2000-11-28 EP EP00982243A patent/EP1242744B1/en not_active Expired - Lifetime
- 2000-11-28 CA CA002392909A patent/CA2392909C/en not_active Expired - Fee Related
- 2000-11-28 CN CN 00816392 patent/CN1246595C/en not_active Expired - Fee Related
- 2000-11-28 WO PCT/US2000/032384 patent/WO2001038743A1/en active IP Right Grant
- 2000-11-28 AU AU19300/01A patent/AU1930001A/en not_active Abandoned
- 2000-11-28 JP JP2001540058A patent/JP4052628B2/en not_active Expired - Fee Related
- 2000-11-28 MX MXPA02005296A patent/MXPA02005296A/en active IP Right Grant
Non-Patent Citations (1)
Title |
---|
See references of WO0138743A1 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1936203A2 (en) | 2006-12-13 | 2008-06-25 | Pfeiffer Vacuum Gmbh | Vacuum pump with ventilator |
Also Published As
Publication number | Publication date |
---|---|
EP1242744B1 (en) | 2006-04-05 |
CN1246595C (en) | 2006-03-22 |
JP2003515061A (en) | 2003-04-22 |
CA2392909C (en) | 2006-10-10 |
AU1930001A (en) | 2001-06-04 |
DE60027202T2 (en) | 2006-12-14 |
DE60027202D1 (en) | 2006-05-18 |
CA2392909A1 (en) | 2001-05-31 |
WO2001038743A1 (en) | 2001-05-31 |
JP4052628B2 (en) | 2008-02-27 |
CN1402815A (en) | 2003-03-12 |
MXPA02005296A (en) | 2003-09-22 |
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