CA2497872A1 - Combined heater and pump - Google Patents
Combined heater and pump Download PDFInfo
- Publication number
- CA2497872A1 CA2497872A1 CA002497872A CA2497872A CA2497872A1 CA 2497872 A1 CA2497872 A1 CA 2497872A1 CA 002497872 A CA002497872 A CA 002497872A CA 2497872 A CA2497872 A CA 2497872A CA 2497872 A1 CA2497872 A1 CA 2497872A1
- Authority
- CA
- Canada
- Prior art keywords
- pump
- heater
- chamber
- motor
- shaft
- 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
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
- Cookers (AREA)
Abstract
A compact combined heater and pump is disclosed. There is a pump housing forming an internal pump chamber, the housing having both an inlet and an outlet and an opening therethrough. A drive shaft is rotatably mounted in the opening and is driven by a motor located outside the chamber.
An impeller is mounted on the drive shaft within the housing and a heater is sandwiched in the chamber between the motor and impeller. Rotation of the shaft can draw liquid in from the inlet, past the heater and through the outlet. A cooling fan attached to the shaft for rotation therewith draws cooling air over control circuitry and then forces the air over the motor.
An impeller is mounted on the drive shaft within the housing and a heater is sandwiched in the chamber between the motor and impeller. Rotation of the shaft can draw liquid in from the inlet, past the heater and through the outlet. A cooling fan attached to the shaft for rotation therewith draws cooling air over control circuitry and then forces the air over the motor.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/362,671 | 1994-12-22 | ||
US08/362,671 US5701388A (en) | 1994-12-22 | 1994-12-22 | Combined heater and pump |
CA002208463A CA2208463C (en) | 1994-12-22 | 1995-12-19 | Combined heater and pump |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002208463A Division CA2208463C (en) | 1994-12-22 | 1995-12-19 | Combined heater and pump |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2497872A1 true CA2497872A1 (en) | 1996-06-27 |
CA2497872C CA2497872C (en) | 2006-11-07 |
Family
ID=34423905
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002495540A Abandoned CA2495540A1 (en) | 1994-12-22 | 1995-12-19 | Combined heater and pump |
CA002497872A Expired - Fee Related CA2497872C (en) | 1994-12-22 | 1995-12-19 | Combined heater and pump |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002495540A Abandoned CA2495540A1 (en) | 1994-12-22 | 1995-12-19 | Combined heater and pump |
Country Status (1)
Country | Link |
---|---|
CA (2) | CA2495540A1 (en) |
-
1995
- 1995-12-19 CA CA002495540A patent/CA2495540A1/en not_active Abandoned
- 1995-12-19 CA CA002497872A patent/CA2497872C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CA2495540A1 (en) | 1996-06-27 |
CA2497872C (en) | 2006-11-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |
Effective date: 20141219 |