US2177564A - Expansible element - Google Patents
Expansible element Download PDFInfo
- Publication number
- US2177564A US2177564A US91795A US9179536A US2177564A US 2177564 A US2177564 A US 2177564A US 91795 A US91795 A US 91795A US 9179536 A US9179536 A US 9179536A US 2177564 A US2177564 A US 2177564A
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- US
- United States
- Prior art keywords
- expansible element
- expansible
- disc
- elements
- diaphragms
- 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.)
- Expired - Lifetime
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L7/00—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements
Definitions
- This invention relates to expansible elements and particularly to expansible elements of the character employed in diaphragms or bellows to vary the volume of a chamber formed by one or more of such expansible elements, in combination with one or more relatively fixed elements, 'such as an end wall or an enclosing frame or rim.
- an object of this invention is to prevent, or reduce to a minimum, such thermally induced movement or expansion.
- a bimetallic thermostat has heretofore been employed to act upon the indicating mechanism in such a manner as to correct for the effect of temperature 30 variations on the presure responsive expansible element. It has been found, however, that the correction factor does not always function as intended due to the intervention of an additional disturbing factor, namely, the tendency of the g5 entire mechanism to shift due to expansion or contraction of the supporting frame.
- an additional disturbing factor namely, the tendency of the g5 entire mechanism to shift due to expansion or contraction of the supporting frame.
- one or more openings 1 are provided.
- the combination with a pair of diaphragmsmovable to infinitely numerous dif- 20 ferent positions in response-to correspondingly numerous pressure changes of means engageable with said diaphragms to hold the outer rims. thereof against movement in their own planes, said means including a metallic disc interposed 25 between said diaphragms and of substantially uniform dimensions at all temperatures, said disc being apertured to create equality of pressure on both sides thereof.
Description
Oct. 24, 1939.
c. H. HAVILL ,56
EXPANSIBLE ELEMENT Filed July 21, 1936 COPPER- v .BERYLL/UM COPPER 6 BERYLL/UM M/l/AR INVE NTOR. C/mfon ff /7m//// Patented Oct. 24, 1939 UNITED STATES PATENT OFFICE EXPANSIBLE ELEMENT Application July 21, 1936, Serial No. 91,795
1 Claim.
This invention relates to expansible elements and particularly to expansible elements of the character employed in diaphragms or bellows to vary the volume of a chamber formed by one or more of such expansible elements, in combination with one or more relatively fixed elements, 'such as an end wall or an enclosing frame or rim.
In such devices the end wall, enclosing frame, or encircling rim, while relatively fixed, is never- 0 theless subject to at least slight movement or expansiom'as a result of either temperature or pressure changes; and an object of this invention is to prevent, or reduce to a minimum, such thermally induced movement or expansion.
5 In a pressure responsive mechanism, or aneroid, of a barometer or altimeter, a bimetallic thermostat has heretofore been employed to act upon the indicating mechanism in such a manner as to correct for the effect of temperature 30 variations on the presure responsive expansible element. It has been found, however, that the correction factor does not always function as intended due to the intervention of an additional disturbing factor, namely, the tendency of the g5 entire mechanism to shift due to expansion or contraction of the supporting frame. To overcome this difliculty I propose to employ, in lieu of such supporting frame, a disc of a metallic thereto in any suitable manner, as by welding, riveting, etc.
With the illustrative construction indicated in the accompanying drawing, which shows Fig. 1 as a transverse sectional view, and Fig. 2 as a side elevation of the device, the outer rims 4 and 5 5 of the elements 2 and 3, respectively, are held fast regardless of temperature variations, and their tendency to curl inwardly or spread outwardly, is effectively checked by virtue of the engagement with the substantially non-expanding and non-contracting disc 6. At the same time the freedom of expansion and contraction, in an endwise direction, is not restricted and remains as heretofore.
In order to maintain pressure equality on both 5 sides of the disc 6, one or more openings 1 are provided.
What I claim is:
In an aneroid, the combination with a pair of diaphragmsmovable to infinitely numerous dif- 20 ferent positions in response-to correspondingly numerous pressure changes, of means engageable with said diaphragms to hold the outer rims. thereof against movement in their own planes, said means including a metallic disc interposed 25 between said diaphragms and of substantially uniform dimensions at all temperatures, said disc being apertured to create equality of pressure on both sides thereof.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US91795A US2177564A (en) | 1936-07-21 | 1936-07-21 | Expansible element |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US91795A US2177564A (en) | 1936-07-21 | 1936-07-21 | Expansible element |
Publications (1)
Publication Number | Publication Date |
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US2177564A true US2177564A (en) | 1939-10-24 |
Family
ID=22229689
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US91795A Expired - Lifetime US2177564A (en) | 1936-07-21 | 1936-07-21 | Expansible element |
Country Status (1)
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US (1) | US2177564A (en) |
Cited By (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2487947A (en) * | 1945-06-22 | 1949-11-15 | Jurg A Senn | Thin-walled diaphragm power unit |
US2698633A (en) * | 1952-05-09 | 1955-01-04 | American Machine & Metals | Evacuated capsule for aneroid barometers |
US2718904A (en) * | 1952-04-09 | 1955-09-27 | Bendix Aviat Corp | Pressure sensitive diaphragm assembly |
US2753415A (en) * | 1952-03-07 | 1956-07-03 | Kollsman Instr Corp | Pressure responsive switch |
US3078738A (en) * | 1960-10-31 | 1963-02-26 | Honeywell Regulator Co | Motion-to-air-pressure transducer |
US4640135A (en) * | 1984-06-20 | 1987-02-03 | Endress U. Hauser Gmbh U. Co. | Sensor |
WO1990007701A1 (en) * | 1988-12-23 | 1990-07-12 | Rosemount Inc. | Multimodulus pressure sensor |
US7658196B2 (en) | 2005-02-24 | 2010-02-09 | Ethicon Endo-Surgery, Inc. | System and method for determining implanted device orientation |
US7775215B2 (en) | 2005-02-24 | 2010-08-17 | Ethicon Endo-Surgery, Inc. | System and method for determining implanted device positioning and obtaining pressure data |
US7775966B2 (en) | 2005-02-24 | 2010-08-17 | Ethicon Endo-Surgery, Inc. | Non-invasive pressure measurement in a fluid adjustable restrictive device |
US7844342B2 (en) | 2008-02-07 | 2010-11-30 | Ethicon Endo-Surgery, Inc. | Powering implantable restriction systems using light |
US7927270B2 (en) | 2005-02-24 | 2011-04-19 | Ethicon Endo-Surgery, Inc. | External mechanical pressure sensor for gastric band pressure measurements |
US8016744B2 (en) | 2005-02-24 | 2011-09-13 | Ethicon Endo-Surgery, Inc. | External pressure-based gastric band adjustment system and method |
US8016745B2 (en) | 2005-02-24 | 2011-09-13 | Ethicon Endo-Surgery, Inc. | Monitoring of a food intake restriction device |
US8034065B2 (en) | 2008-02-26 | 2011-10-11 | Ethicon Endo-Surgery, Inc. | Controlling pressure in adjustable restriction devices |
US8057492B2 (en) | 2008-02-12 | 2011-11-15 | Ethicon Endo-Surgery, Inc. | Automatically adjusting band system with MEMS pump |
US8066629B2 (en) | 2005-02-24 | 2011-11-29 | Ethicon Endo-Surgery, Inc. | Apparatus for adjustment and sensing of gastric band pressure |
US8100870B2 (en) | 2007-12-14 | 2012-01-24 | Ethicon Endo-Surgery, Inc. | Adjustable height gastric restriction devices and methods |
US8114345B2 (en) | 2008-02-08 | 2012-02-14 | Ethicon Endo-Surgery, Inc. | System and method of sterilizing an implantable medical device |
US8142452B2 (en) | 2007-12-27 | 2012-03-27 | Ethicon Endo-Surgery, Inc. | Controlling pressure in adjustable restriction devices |
US8152710B2 (en) | 2006-04-06 | 2012-04-10 | Ethicon Endo-Surgery, Inc. | Physiological parameter analysis for an implantable restriction device and a data logger |
US8187163B2 (en) | 2007-12-10 | 2012-05-29 | Ethicon Endo-Surgery, Inc. | Methods for implanting a gastric restriction device |
US8187162B2 (en) | 2008-03-06 | 2012-05-29 | Ethicon Endo-Surgery, Inc. | Reorientation port |
US8192350B2 (en) | 2008-01-28 | 2012-06-05 | Ethicon Endo-Surgery, Inc. | Methods and devices for measuring impedance in a gastric restriction system |
US8221439B2 (en) | 2008-02-07 | 2012-07-17 | Ethicon Endo-Surgery, Inc. | Powering implantable restriction systems using kinetic motion |
US8233995B2 (en) | 2008-03-06 | 2012-07-31 | Ethicon Endo-Surgery, Inc. | System and method of aligning an implantable antenna |
US8337389B2 (en) | 2008-01-28 | 2012-12-25 | Ethicon Endo-Surgery, Inc. | Methods and devices for diagnosing performance of a gastric restriction system |
US8377079B2 (en) | 2007-12-27 | 2013-02-19 | Ethicon Endo-Surgery, Inc. | Constant force mechanisms for regulating restriction devices |
US8591532B2 (en) | 2008-02-12 | 2013-11-26 | Ethicon Endo-Sugery, Inc. | Automatically adjusting band system |
US8591395B2 (en) | 2008-01-28 | 2013-11-26 | Ethicon Endo-Surgery, Inc. | Gastric restriction device data handling devices and methods |
US8870742B2 (en) | 2006-04-06 | 2014-10-28 | Ethicon Endo-Surgery, Inc. | GUI for an implantable restriction device and a data logger |
-
1936
- 1936-07-21 US US91795A patent/US2177564A/en not_active Expired - Lifetime
Cited By (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2487947A (en) * | 1945-06-22 | 1949-11-15 | Jurg A Senn | Thin-walled diaphragm power unit |
US2753415A (en) * | 1952-03-07 | 1956-07-03 | Kollsman Instr Corp | Pressure responsive switch |
US2718904A (en) * | 1952-04-09 | 1955-09-27 | Bendix Aviat Corp | Pressure sensitive diaphragm assembly |
US2698633A (en) * | 1952-05-09 | 1955-01-04 | American Machine & Metals | Evacuated capsule for aneroid barometers |
US3078738A (en) * | 1960-10-31 | 1963-02-26 | Honeywell Regulator Co | Motion-to-air-pressure transducer |
US4640135A (en) * | 1984-06-20 | 1987-02-03 | Endress U. Hauser Gmbh U. Co. | Sensor |
WO1990007701A1 (en) * | 1988-12-23 | 1990-07-12 | Rosemount Inc. | Multimodulus pressure sensor |
US4944187A (en) * | 1988-12-23 | 1990-07-31 | Rosemount Inc. | Multimodulus pressure sensor |
US7775966B2 (en) | 2005-02-24 | 2010-08-17 | Ethicon Endo-Surgery, Inc. | Non-invasive pressure measurement in a fluid adjustable restrictive device |
US7775215B2 (en) | 2005-02-24 | 2010-08-17 | Ethicon Endo-Surgery, Inc. | System and method for determining implanted device positioning and obtaining pressure data |
US7927270B2 (en) | 2005-02-24 | 2011-04-19 | Ethicon Endo-Surgery, Inc. | External mechanical pressure sensor for gastric band pressure measurements |
US8016744B2 (en) | 2005-02-24 | 2011-09-13 | Ethicon Endo-Surgery, Inc. | External pressure-based gastric band adjustment system and method |
US8016745B2 (en) | 2005-02-24 | 2011-09-13 | Ethicon Endo-Surgery, Inc. | Monitoring of a food intake restriction device |
US7658196B2 (en) | 2005-02-24 | 2010-02-09 | Ethicon Endo-Surgery, Inc. | System and method for determining implanted device orientation |
US8066629B2 (en) | 2005-02-24 | 2011-11-29 | Ethicon Endo-Surgery, Inc. | Apparatus for adjustment and sensing of gastric band pressure |
US8152710B2 (en) | 2006-04-06 | 2012-04-10 | Ethicon Endo-Surgery, Inc. | Physiological parameter analysis for an implantable restriction device and a data logger |
US8870742B2 (en) | 2006-04-06 | 2014-10-28 | Ethicon Endo-Surgery, Inc. | GUI for an implantable restriction device and a data logger |
US8187163B2 (en) | 2007-12-10 | 2012-05-29 | Ethicon Endo-Surgery, Inc. | Methods for implanting a gastric restriction device |
US8100870B2 (en) | 2007-12-14 | 2012-01-24 | Ethicon Endo-Surgery, Inc. | Adjustable height gastric restriction devices and methods |
US8377079B2 (en) | 2007-12-27 | 2013-02-19 | Ethicon Endo-Surgery, Inc. | Constant force mechanisms for regulating restriction devices |
US8142452B2 (en) | 2007-12-27 | 2012-03-27 | Ethicon Endo-Surgery, Inc. | Controlling pressure in adjustable restriction devices |
US8192350B2 (en) | 2008-01-28 | 2012-06-05 | Ethicon Endo-Surgery, Inc. | Methods and devices for measuring impedance in a gastric restriction system |
US8337389B2 (en) | 2008-01-28 | 2012-12-25 | Ethicon Endo-Surgery, Inc. | Methods and devices for diagnosing performance of a gastric restriction system |
US8591395B2 (en) | 2008-01-28 | 2013-11-26 | Ethicon Endo-Surgery, Inc. | Gastric restriction device data handling devices and methods |
US8221439B2 (en) | 2008-02-07 | 2012-07-17 | Ethicon Endo-Surgery, Inc. | Powering implantable restriction systems using kinetic motion |
US7844342B2 (en) | 2008-02-07 | 2010-11-30 | Ethicon Endo-Surgery, Inc. | Powering implantable restriction systems using light |
US8114345B2 (en) | 2008-02-08 | 2012-02-14 | Ethicon Endo-Surgery, Inc. | System and method of sterilizing an implantable medical device |
US8057492B2 (en) | 2008-02-12 | 2011-11-15 | Ethicon Endo-Surgery, Inc. | Automatically adjusting band system with MEMS pump |
US8591532B2 (en) | 2008-02-12 | 2013-11-26 | Ethicon Endo-Sugery, Inc. | Automatically adjusting band system |
US8034065B2 (en) | 2008-02-26 | 2011-10-11 | Ethicon Endo-Surgery, Inc. | Controlling pressure in adjustable restriction devices |
US8187162B2 (en) | 2008-03-06 | 2012-05-29 | Ethicon Endo-Surgery, Inc. | Reorientation port |
US8233995B2 (en) | 2008-03-06 | 2012-07-31 | Ethicon Endo-Surgery, Inc. | System and method of aligning an implantable antenna |
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