CA2589712A1 - A steam generator with external probe housing unit - Google Patents
A steam generator with external probe housing unit Download PDFInfo
- Publication number
- CA2589712A1 CA2589712A1 CA002589712A CA2589712A CA2589712A1 CA 2589712 A1 CA2589712 A1 CA 2589712A1 CA 002589712 A CA002589712 A CA 002589712A CA 2589712 A CA2589712 A CA 2589712A CA 2589712 A1 CA2589712 A1 CA 2589712A1
- Authority
- CA
- Canada
- Prior art keywords
- probe
- housing part
- steam generator
- water level
- heating chamber
- 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
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B13/00—Steam boilers of fire-box type, i.e. the combustion of fuel being performed in a chamber or fire-box with subsequent flue(s) or fire tube(s), both chamber or fire-box and flues or fire tubes being built-in in the boiler body
- F22B13/02—Steam boilers of fire-box type, i.e. the combustion of fuel being performed in a chamber or fire-box with subsequent flue(s) or fire tube(s), both chamber or fire-box and flues or fire tubes being built-in in the boiler body mounted in fixed position with the boiler body disposed upright
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cookers (AREA)
Abstract
A steam generator for use with a steam cooker includes a heating chamber defining a volume for holding water. A heating system is associated with the heating chamber that is configured to heat water in the heating chamber so as to generate steam. An external probe housing unit is in communication with the heating chamber. The external probe housing unit includes a housing part defining a cavity therein. The housing part includes a first end through which water passes to and from the heating chamber, a second end opposite the first end, a top, a bottom and sides extending between the ends. A first probe support surface is located at a first probe receiving portion at the top of the housing part and a second probe support surface located at a second probe receiving portion at the top of the housing part. The first probe support surface is offset vertically from the second probe support surface
Claims (28)
1. A steam generator for use with a steam cooker, the steam generator comprising:
a heating chamber defining a volume for holding water;
a heating system associated with the heating chamber, the heating system configured to heat water in the heating chamber so as to generate steam; and an external probe housing unit in communication with the heating chamber, the external probe housing unit comprising a housing part defining a cavity therein, the housing part including a first end through which water passes to and from the heating chamber, a second end opposite the first end, a top, a bottom and sides extending between the ends;
a first probe support surface located at a first probe receiving portion at the top of the housing part; and a second probe support surface located at a second probe receiving portion at the top of the housing part;
wherein the first probe support surface is offset vertically from the second probe support surface.
a heating chamber defining a volume for holding water;
a heating system associated with the heating chamber, the heating system configured to heat water in the heating chamber so as to generate steam; and an external probe housing unit in communication with the heating chamber, the external probe housing unit comprising a housing part defining a cavity therein, the housing part including a first end through which water passes to and from the heating chamber, a second end opposite the first end, a top, a bottom and sides extending between the ends;
a first probe support surface located at a first probe receiving portion at the top of the housing part; and a second probe support surface located at a second probe receiving portion at the top of the housing part;
wherein the first probe support surface is offset vertically from the second probe support surface.
2. The steam generator of claim 1, wherein the first probe support surface and the second probe support surface are offset by a step defined by the top of the housing part.
3. The steam generator of claim 1, wherein the external probe housing unit further comprises a first probe coupling member that includes the first probe support surface and a second probe coupling member that includes the second probe support surface, the first probe coupling member extending outwardly a greater distance from the top of the housing part than the second probe coupling member.
4. The steam generator of claim 1, wherein the first probe receiving portion is nearer the first end than the second probe receiving portion.
5. The steam generator of claim 1 further comprising a first water level probe extending into the cavity of the external probe housing unit at the first probe receiving portion at the top of the housing part; and a second water level probe extending into the cavity of the external probe housing unit at the second probe receiving portion at the top of the housing part.
6. The steam generator of claim 5, wherein a tip of the first water level probe is a greater distance from the bottom of the housing part than a tip of the second water level probe, the first water level probe capable of providing a high water level indication and the second water level probe capable of providing a low water level indication.
7. The steam generator of claim 6, wherein the first water level probe has a first probe length and the second water level probe has a second probe length, the first and second probe lengths being substantially the same.
8. The steam generator of claim 6 wherein the external probe housing unit is secured to a side portion of a heating chamber housing, the heating chamber housing includes an opening for delivering water into the cavity via the first end of the housing part, the opening of the heating chamber housing sized and located such during typical steam generator operation the heating chamber housing acts as a baffle against turbulent surface level water flow into the cavity of external probe housing unit.
9. The steam generator of claim 5, wherein the external probe housing unit further comprises a pressure sensor coupling configured to operatively connect a pressure sensor to the housing part for detecting pressure within the cavity; and a pressure sensor connected to the pressure sensor coupling that provides a signal indicative of a pressure within the cavity;
wherein the pressure sensor is located above the tip of the first water level probe.
wherein the pressure sensor is located above the tip of the first water level probe.
10. The steam generator of claim 9, wherein the external probe housing unit further comprises
11 a temperature sensor coupling configured to operatively connect a temperature sensor to the housing part for detecting temperature within the cavity; and a temperature sensor connected to the temperature sensor coupling that provides a signal indicative of a temperature within the cavity;
wherein the temperature sensor is located below the tip of the second water level probe.
11. The steam generator of claim 5 further comprising a third probe support surface located at a third probe receiving portion at the top of the housing part, wherein the third probe support surface is offset vertically from the second probe support surface and the first probe support surface; and a third water level probe extending into the cavity of the external probe housing unit at the third probe receiving portion at the top of the housing part.
wherein the temperature sensor is located below the tip of the second water level probe.
11. The steam generator of claim 5 further comprising a third probe support surface located at a third probe receiving portion at the top of the housing part, wherein the third probe support surface is offset vertically from the second probe support surface and the first probe support surface; and a third water level probe extending into the cavity of the external probe housing unit at the third probe receiving portion at the top of the housing part.
12. The steam generator of claim 1, wherein at least a portion of the bottom of the housing part has a downward slant toward the first end.
13. The steam generator of claim 1, wherein the housing part is cast of metal.
14. The steam generator of claim 13, wherein the external probe housing unit further comprises a flange extending outwardly from a periphery of the first end, the flange providing structure connecting the housing part to the heating chamber.
15. The steam generator of claim 1, wherein the housing part is formed of a metal sheet.
16. A steam oven comprising a steam cooking chamber with an access door, the steam generator of claim 1, a steam path from the heating chamber of the steam generator to the steam cooking chamber, and pan support structure within the steam cooking chamber for receiving food product pans.
17. A method of monitoring operating conditions within a steam generator, the method comprising:
connecting an external probe housing unit to an outer surface of a steam generator to provide communication between a heating chamber of the steam generator and a cavity of the external probe housing unit, the external probe housing unit including a housing part defining the cavity therein, the housing part including a first end through which water passes to and from the heating chamber, a second end opposite the first end, a top, a bottom and sides extending between the ends, a first probe support surface located at a first probe receiving portion at the top of the housing part and a second probe support surface located at a second probe receiving portion at the top of the housing part, wherein the first probe support surface is offset vertically from the second probe support surface; and detecting a first water level within the cavity using a first water level probe supported by the first probe support surface and extending downward into the cavity;
detecting a second water level within the cavity using a second water level probe supported by the second probe support surface and extending downward into the cavity.
connecting an external probe housing unit to an outer surface of a steam generator to provide communication between a heating chamber of the steam generator and a cavity of the external probe housing unit, the external probe housing unit including a housing part defining the cavity therein, the housing part including a first end through which water passes to and from the heating chamber, a second end opposite the first end, a top, a bottom and sides extending between the ends, a first probe support surface located at a first probe receiving portion at the top of the housing part and a second probe support surface located at a second probe receiving portion at the top of the housing part, wherein the first probe support surface is offset vertically from the second probe support surface; and detecting a first water level within the cavity using a first water level probe supported by the first probe support surface and extending downward into the cavity;
detecting a second water level within the cavity using a second water level probe supported by the second probe support surface and extending downward into the cavity.
18. The method of claim 17, wherein the step of connecting the external probe housing unit to the outer surface of the steam generator comprises welding.
19. The method of claim 17, wherein the step of connecting the external probe housing unit to the outer surface of the steam generator comprises fastening using mechanical fasteners.
20. The method of claim 17 further comprising forming the housing part of a metal sheet or casting the housing part of metal.
21. The method of claim 17 further comprising controlling inflow of water to the heating chamber based on the water level detected within the cavity of the external probe housing unit.
22. The method of claim 17, wherein the first water level probe and second water level probe have the same length, the first probe support surface locating a lower tip of the first water level probe at a first elevation within the cavity and the second support surface locating a lower tip of the second water level probe at a second elevation within the cavity, wherein the tip of the first water level probe is at a higher elevation than the tip of the second water level probe.
23. The method of claim 17 further comprising detecting water temperature of water located in the cavity using a temperature sensor connected to the housing part; and detecting pressure in the cavity using a pressure sensor connected to the housing part.
24. The method of claim 17 further comprising forming the bottom of the housing part with a downward slant toward the first end.
25. A steam generator for use with a steam cooker, the steam generator comprising:
a heating chamber defining a volume for holding water, the heating chamber having a sidewall portion including an opening;
a heating system associated with the heating chamber, the heating system configured to heat water in the heating chamber so as to generate steam;
an external probe housing unit connected to the sidewall portion of the heating chamber at the opening, the external probe housing unit comprising a housing part defining a cavity therein, the housing part including a first end through which water passes to and from the heating chamber through the opening of the sidewall portion, a second end opposite the first end, a top, a bottom and sides extending between the ends;
a first water level probe extending through the housing part at the top of the housing part; and a second water level probe extending through the housing part at the top of the housing part;
wherein a lower tip of the first water level probe is located at a higher elevation than a lower tip of the second water level probe; and a baffle structure sized and located to limit migration of surface level turbulence from the heating chamber into the cavity of the external probe housing unit.
a heating chamber defining a volume for holding water, the heating chamber having a sidewall portion including an opening;
a heating system associated with the heating chamber, the heating system configured to heat water in the heating chamber so as to generate steam;
an external probe housing unit connected to the sidewall portion of the heating chamber at the opening, the external probe housing unit comprising a housing part defining a cavity therein, the housing part including a first end through which water passes to and from the heating chamber through the opening of the sidewall portion, a second end opposite the first end, a top, a bottom and sides extending between the ends;
a first water level probe extending through the housing part at the top of the housing part; and a second water level probe extending through the housing part at the top of the housing part;
wherein a lower tip of the first water level probe is located at a higher elevation than a lower tip of the second water level probe; and a baffle structure sized and located to limit migration of surface level turbulence from the heating chamber into the cavity of the external probe housing unit.
26. The steam generator of claim 25, wherein the first water level probe has a first probe length and the second water level probe has a second probe length, the first and second probe lengths being substantially the same.
27. The steam generator of claim 25, wherein at least a portion of the bottom of the housing part has a downward slant toward the opening of the chamber housing.
28. The steam generator of claim 25, wherein the opening of the sidewall portion of the heating chamber is sized and located such that the sidewall portion of the heating chamber forms the baffle structure.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/481,873 | 2006-07-06 | ||
| US11/481,873 US20080006261A1 (en) | 2006-07-06 | 2006-07-06 | Steam generator with external probe housing unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2589712A1 true CA2589712A1 (en) | 2008-01-06 |
| CA2589712C CA2589712C (en) | 2010-01-26 |
Family
ID=38918063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2589712A Expired - Fee Related CA2589712C (en) | 2006-07-06 | 2007-05-24 | A steam generator with external probe housing unit |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20080006261A1 (en) |
| EP (1) | EP1923628A2 (en) |
| CA (1) | CA2589712C (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1395585B1 (en) * | 2009-09-02 | 2012-10-16 | Cuomo | STEAMING SYSTEM FOR A LIQUID TO FLAVOR, SMOKE AND HUMIDIFY FOOD PRODUCTS IN FOOD EQUIPMENT |
| US10463219B2 (en) * | 2014-10-03 | 2019-11-05 | Makita Corporation | Self-propelled, dust-collecting robot |
| PL229142B1 (en) * | 2015-09-03 | 2018-06-29 | Janow Gwidon | Pure steam generator |
| US20170095105A1 (en) * | 2015-10-05 | 2017-04-06 | Joseph R. Clark | Mini steam generator for cooking food, modular cooking appliance, and modular food preparation station |
| KR102357903B1 (en) * | 2017-05-19 | 2022-02-03 | 삼성전자주식회사 | Control method of cooking apparatus |
| CN115406045B (en) * | 2022-08-03 | 2024-05-24 | 珠海格力电器股份有限公司 | Drainage device, air conditioner and drainage method |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1703917A (en) * | 1926-06-17 | 1929-03-05 | Alexander William | Steam separator |
| US1955289A (en) * | 1932-07-01 | 1934-04-17 | Greenfield Benjamin | Steam cooking process |
| US2620662A (en) * | 1950-05-29 | 1952-12-09 | Worthington Corp | Water gauge sight glass |
| US2869368A (en) * | 1955-08-05 | 1959-01-20 | Reliance Gauge Column Company | Electrical water gauge |
| US2914063A (en) * | 1956-04-26 | 1959-11-24 | Wagner Chester | Pressure cooking apparatus |
| US3523175A (en) * | 1968-05-27 | 1970-08-04 | Ernest F Gygax | Humidifier |
| GB8501805D0 (en) * | 1985-01-24 | 1985-02-27 | Ward Ind Plant Ltd T W | Water level controller |
| US5249464A (en) * | 1991-08-19 | 1993-10-05 | Clark-Reliance Corporation | Sight flow apparatus with cartridge |
| US5611241A (en) * | 1994-09-30 | 1997-03-18 | Emerson Electric Co. | Integral welded sight glass for boilers |
| US5901740A (en) * | 1997-10-31 | 1999-05-11 | Sanchelima; Juan Andres | Continuous extended holding tank with variable resident time |
| WO2002003039A1 (en) * | 2000-06-30 | 2002-01-10 | Clark-Reliance Corporation | Automatic boiler level controller |
| KR20050026603A (en) * | 2003-09-09 | 2005-03-15 | 삼성전자주식회사 | Superheated steam cooking apparatus |
-
2006
- 2006-07-06 US US11/481,873 patent/US20080006261A1/en not_active Abandoned
-
2007
- 2007-05-24 CA CA2589712A patent/CA2589712C/en not_active Expired - Fee Related
- 2007-06-25 EP EP07110985A patent/EP1923628A2/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| CA2589712C (en) | 2010-01-26 |
| US20080006261A1 (en) | 2008-01-10 |
| EP1923628A2 (en) | 2008-05-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |