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WO2001050053A1 - Poignee temporisee pour appareils de cuisson a gaz - Google Patents

Poignee temporisee pour appareils de cuisson a gaz Download PDF

Info

Publication number
WO2001050053A1
WO2001050053A1 PCT/IT2000/000065 IT0000065W WO0150053A1 WO 2001050053 A1 WO2001050053 A1 WO 2001050053A1 IT 0000065 W IT0000065 W IT 0000065W WO 0150053 A1 WO0150053 A1 WO 0150053A1
Authority
WO
WIPO (PCT)
Prior art keywords
knob
pin
collar
hole
central
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.)
Ceased
Application number
PCT/IT2000/000065
Other languages
English (en)
Inventor
Giancarlo Babini
Maria Cristina Bajetto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to AU33229/00A priority Critical patent/AU3322900A/en
Publication of WO2001050053A1 publication Critical patent/WO2001050053A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/44—Mechanical actuating means
    • F16K31/48—Mechanical actuating means actuated by mechanical timing-device, e.g. with dash-pot
    • F16K31/485—Mechanical actuating means actuated by mechanical timing-device, e.g. with dash-pot and specially adapted for gas valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C3/00—Stoves or ranges for gaseous fuels
    • F24C3/12—Arrangement or mounting of control or safety devices
    • F24C3/124—Control panels
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F3/00—Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals with driving mechanisms, e.g. dosimeters with clockwork

Definitions

  • the present patent application for industrial invention relates to a timed knob for gas cooking appliances.
  • the knob according to the present invention is a complete innovation, since so far no knob has been provided with a device for automatic turning off after a set time - unlike electrical or microwave ovens that are traditionally provided with timer.
  • the present invention has been devised as a solution to a problem commonly experienced by all users of gas cooking appliances. Once the stove has been turned on and the heat adjusted, it is necessary to check the passing of time, in order to turn off the stove and avoid burning the food.
  • the purpose of the present invention is to realise a time knob for gas cooking appliances, which allows the user to select between two different operating modes: manual or automatic turning off of the knob (the latter after the set time).
  • the knob according to the present invention comprises a first knob used to open and close the gas valve of each stove.
  • the first knob includes a boss - same as the boss of the traditional knobs of known type currently installed in gas cooking appliances - on which the manoeuvring pin of the gas valve can be inserted.
  • the knob can be rotated either manually or automatically. In the latter case, the knob is dragged by a mechanism actuated by a spiral spring that must be manually charged before opening the gas valve.
  • the first knob incorporates a second knob, hereinafter defined as "programming knob”, used to set the time interval for the automatic disengagement of the ratchet gear that prevents the free spontaneous discharge of the spiral spring.
  • - Fig. 1 is an exploded drawing and an axomometric view of all the components of the timed knob according to the present invention
  • - Fig. 2 is a cross-section with an axial plane of the knob according to the present invention with deactivated timer;
  • - Fig. 3 is a cross-section with an axial plane of the knob according to the present invention with activated timer;
  • Fig. 4A and 4B are an axonometric view and a side view, respectively, of the time programming device used to turn off the knob according to the present invention. These two figures show the position of the device with deactivated timer;
  • Fig. 5A and 5B are an axonometric view and a side view, respectively, of the time programming device used to turn off the knob according to the present invention. These two figures show the position of the device with activated timer;
  • - Fig. 6 is an axonometric view of the knob according to the present invention applied on a vertical support plate.
  • the knob according to the present invention comprises a first knob (1) used to open and close the gas valve, which is internally hollow in order to house a second programming knob (2) with built-in timer (3).
  • the timer (3) which can also be provided with ringer, is of known type and can be easily found on the market.
  • the first knob (1) internally features a central pin (1a) with square cross-section, which is coupled with the timer (3), thus acting as charging pin for the timer.
  • the first knob (1) externally features a central collar (1b) with faceted internal hole (F), in which the faceted manoeuvring pin (P) used to open and close the gas valve is inserted.
  • the pin (P) is the same pin that is traditionally used in the gas valves installed in cooktops. This means that the timed knob according to the present invention can be installed on the existing gas cooking appliances without requiring any prior modification.
  • the back wall (1c) of the knob (1) features a wide opening (1d) that extends for more than 180°.
  • the external edge of the opening has a tooth
  • the opening of the programming knob (2) features an annular groove
  • the semicircular plate (4) features a central hole (4a), a peripheral tab (4b) protruding from the side that faces the inside of the second knob (2) and a peripheral pin (4c) protruding from the side. that faces the back wall (1c) of the first knob (1).
  • a specially shaped lever (6) is located in the annular space (5) between the external circular wall of the second knob (2) and the internal circular wall of the first knob (1).
  • the lever (6) features a central pin (6a), which ends with a lateral tooth (6b) in the front and a curved paddle (6c) in the back.
  • the lever (6) is hooked to the first knob (1) so that the central pin (6a) is inserted into the hole (1f) of the tooth (1e), the curved paddle (6c) remains inside the space (5) and the lateral tooth (6b) protrudes with respect to the back wall (1c) of the first knob (1).
  • a box (7) is inserted on the collar (1b) of the first knob (1).
  • the box (7) is inserted and fixed to the plate (8) normally used in cooktops to house the gas opening and closing knob.
  • the plate (8) usually bears the reference symbols that indicate the various levels of the heat and the closing point of the gas valve.
  • the box (7) comprises a circular element (7a) that contains a spiral spring (9) and is closed with a circular lid (7b).
  • the element (7) features a central hole in which a collar (10) is inserted, turning freely.
  • the front of the collar (10) features a hole (10a) suitable for receiving the tip of the pin (4c), while the circular edge of the collar (10) features a saw toothed profile (10b).
  • the collar (10) is part of a sleeve (10c) inserted into the box (7) - as shown in Fig. 2 and 3.
  • the internal end of the spiral spring (9) is fixed to the turning sleeve (10c), while the other end is hooked to the fixed lid (7b).
  • the user To open the valve without programming the timed turning off of the knob, the user must simply rotate in anti-clockwise direction the first knob (1), to which the pin (P) of the gas valve is coupled.
  • the knob (1) drags the semicircular plate (4) due to the interference between the pin (4c) of the plate (4) and the back wall (1c) of the knob (1).
  • the second knob (2) remains still since the semicircular plate (4) slides freely inside the annular groove (2a) located on the opening of the second knob (2).
  • the user To program the turning off of the knob (1), the user must first use the knob (2) to charge the spring (9) and the timer (3), then set the time for the automatic turning off of the knob (1) with the knob (2) and finally open the knob (1) to adjust the heat as needed.
  • the user To charge the spring (9), the user must push the second knob (2) forward (see fig. 3) to engage the pin (4c) inside the hole (10a) of the collar (10) and the rotate the knob (2) in anti-clockwise direction by 180° to drag the collar (10) in the same rotation. This causes the charge of the spring (9), since one end of the spring (9) is fixed to the lid (7b) and the other end is hooked to the collar (10). It must be noted that the knob (2) is capable of dragging the plate (4) in rotation thanks to an internal projection (2c) located in the opening and designed to interfere with the tab (4b).
  • the collar (10) cannot rotate freely, since it is locked by the tooth (6b) of the lever (6), which is pressed against the toothed profile (10b) of the collar.
  • the pin (1a) of the knob (1) - which is temporarily still - is coupled to the hole (3a) of the timer (3). Therefore, beside charging the spring (9), the anti-clockwise rotation of the knob (2) determines the simultaneous charge of the internal mechanism of the timer (3), whose external shell starts rotating together with the knob (2), to which it is joined.
  • the knob (2) can be rotated in clockwise direction, setting the time for the automatic turning off of the knob (1) (see Fig. 6).
  • the programming minutes (M) are shown on the edge of the knob (2), while the knob (1) features a reference mark (Z) for zero (see Fig. 6).
  • the paddle (6c) touches against the external surface of the knob (2), keeping the tooth (6b) pressed against the toothed profile (10b).
  • the plate (4) does not follow the knob (2) in its backward rotation since the interference between the projection (2c) and the tab (4b) takes place only in case of anti-clockwise rotation of the knob (2).
  • the gas valve can be opened with the knob (1) as indicated above.
  • the tooth (6b) moves along the toothed profile (10b), always pressed against it, until the paddle (6c) is ejected from its housing (2b). It must be noted that the paddle (6c) can be inserted into the notch (2b) only after the set time has elapsed.
  • the collar (10) drags the plate (4), whose pin (4c) is engaged inside the hole (1a) of the collar.
  • the plate (4) drags the knob (1) due to the interference between the pin (4c) and the back wall (1c) of the knob (1), which is automatically closed when the set time has elapsed.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Catching Or Destruction (AREA)
  • Air Bags (AREA)
  • Cookers (AREA)
  • Measurement Of Predetermined Time Intervals (AREA)

Abstract

La présente invention concerne une poignée pour appareils de cuisson à gaz, pourvue d'un dispositif d'arrêt automatique après une durée établie.
PCT/IT2000/000065 1999-12-30 2000-03-01 Poignee temporisee pour appareils de cuisson a gaz Ceased WO2001050053A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU33229/00A AU3322900A (en) 1999-12-30 2000-03-01 Timed knob for gas cooking appliances

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITAN99A000051 1999-12-30
IT1999AN000051A IT1309543B1 (it) 1999-12-30 1999-12-30 Manopola temporizzata per fornelli a gas.

Publications (1)

Publication Number Publication Date
WO2001050053A1 true WO2001050053A1 (fr) 2001-07-12

Family

ID=11334366

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IT2000/000065 Ceased WO2001050053A1 (fr) 1999-12-30 2000-03-01 Poignee temporisee pour appareils de cuisson a gaz

Country Status (3)

Country Link
AU (1) AU3322900A (fr)
IT (1) IT1309543B1 (fr)
WO (1) WO2001050053A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2395249A (en) * 2002-09-09 2004-05-19 Bath Med Eng Inst Automatically cancelling rotary control
GB2414063A (en) * 2004-05-13 2005-11-16 Nemmer Inge A hob hotplate control knob for setting both cooking heat and time
ITMI20120085A1 (it) * 2012-01-25 2013-07-26 Linari Engineering S R L Dispositivo di comando temporizzato di un fuoco di un piano cottura
EP3628929A1 (fr) * 2018-09-27 2020-04-01 Samsung Electronics Co., Ltd. Appareil de cuisson
WO2022223581A1 (fr) 2021-04-20 2022-10-27 Topsoe A/S Procédé et installation pour convertir des composés oxygénés en essence avec un rendement en essence et un indice d'octane améliorés ainsi que des teneurs en durène réduites
WO2022223583A1 (fr) 2021-04-20 2022-10-27 Topsoe A/S Procédé et installation d'amélioration du rendement en essence et du nombre d'octane

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2837154A (en) * 1954-12-13 1958-06-03 Harper Wyman Co Time controlled valve operating mechanism
US3820405A (en) * 1973-01-04 1974-06-28 Y Hong Gas range timer control
WO1992017722A1 (fr) * 1991-03-26 1992-10-15 Alessandro Mongarli Dispositif de commande installe sur un robinet pour reguler et couper le debit d'un gaz combustible

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2837154A (en) * 1954-12-13 1958-06-03 Harper Wyman Co Time controlled valve operating mechanism
US3820405A (en) * 1973-01-04 1974-06-28 Y Hong Gas range timer control
WO1992017722A1 (fr) * 1991-03-26 1992-10-15 Alessandro Mongarli Dispositif de commande installe sur un robinet pour reguler et couper le debit d'un gaz combustible

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2395249A (en) * 2002-09-09 2004-05-19 Bath Med Eng Inst Automatically cancelling rotary control
GB2414063A (en) * 2004-05-13 2005-11-16 Nemmer Inge A hob hotplate control knob for setting both cooking heat and time
ITMI20120085A1 (it) * 2012-01-25 2013-07-26 Linari Engineering S R L Dispositivo di comando temporizzato di un fuoco di un piano cottura
WO2013111114A1 (fr) * 2012-01-25 2013-08-01 Linari Engineering S.R.L. Con Unico Socio Dispositif de commande synchronisée d'un brûleur d'un plan de cuisson
EP3628929A1 (fr) * 2018-09-27 2020-04-01 Samsung Electronics Co., Ltd. Appareil de cuisson
US11143411B2 (en) 2018-09-27 2021-10-12 Samsung Electronics Co., Ltd. Cooking appliance
US11649968B2 (en) 2018-09-27 2023-05-16 Samsung Electronics Co., Ltd. Cooking appliance
WO2022223581A1 (fr) 2021-04-20 2022-10-27 Topsoe A/S Procédé et installation pour convertir des composés oxygénés en essence avec un rendement en essence et un indice d'octane améliorés ainsi que des teneurs en durène réduites
WO2022223583A1 (fr) 2021-04-20 2022-10-27 Topsoe A/S Procédé et installation d'amélioration du rendement en essence et du nombre d'octane

Also Published As

Publication number Publication date
ITAN990051A0 (it) 1999-12-30
IT1309543B1 (it) 2002-01-23
AU3322900A (en) 2001-07-16
ITAN990051A1 (it) 2001-06-30

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