DE68926863T2 - Körperstützsystem - Google Patents

Körperstützsystem

Info

Publication number
DE68926863T2
DE68926863T2 DE1989626863 DE68926863T DE68926863T2 DE 68926863 T2 DE68926863 T2 DE 68926863T2 DE 1989626863 DE1989626863 DE 1989626863 DE 68926863 T DE68926863 T DE 68926863T DE 68926863 T2 DE68926863 T2 DE 68926863T2
Authority
DE
Germany
Prior art keywords
air
mattress
support system
body support
zones
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 - Fee Related
Application number
DE1989626863
Other languages
English (en)
Other versions
DE68926863D1 (de
Inventor
Larry Higgins
Terence A Scott
Nozomu Kawasaki
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.)
Leggett and Platt Inc
Original Assignee
Leggett and Platt Inc
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 Leggett and Platt Inc filed Critical Leggett and Platt Inc
Publication of DE68926863D1 publication Critical patent/DE68926863D1/de
Application granted granted Critical
Publication of DE68926863T2 publication Critical patent/DE68926863T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A47C27/08—Fluid mattresses or cushions
    • A47C27/10—Fluid mattresses or cushions with two or more independently-fillable chambers
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A47C27/08—Fluid mattresses or cushions
    • A47C27/081—Fluid mattresses or cushions of pneumatic type
    • A47C27/082—Fluid mattresses or cushions of pneumatic type with non-manual inflation, e.g. with electric pumps
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A47C27/08—Fluid mattresses or cushions
    • A47C27/081—Fluid mattresses or cushions of pneumatic type
    • A47C27/083—Fluid mattresses or cushions of pneumatic type with pressure control, e.g. with pressure sensors
    • 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
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/08—Regulating by delivery pressure
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D16/00—Control of fluid pressure
    • G05D16/04—Control of fluid pressure without auxiliary power
    • G05D16/0404—Control of fluid pressure without auxiliary power with two or more controllers mounted in parallel
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D16/00—Control of fluid pressure
    • G05D16/04—Control of fluid pressure without auxiliary power
    • G05D16/06—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule
    • G05D16/063—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule the sensing element being a membrane
    • G05D16/0644—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule the sensing element being a membrane the membrane acting directly on the obturator
    • G05D16/0655—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule the sensing element being a membrane the membrane acting directly on the obturator using one spring-loaded membrane
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/2496—Self-proportioning or correlating systems
    • Y10T137/2559—Self-controlled branched flow systems
    • Y10T137/2574—Bypass or relief controlled by main line fluid condition
    • Y10T137/2605—Pressure responsive
    • Y10T137/2607—With pressure reducing inlet valve
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7781—With separate connected fluid reactor surface
    • Y10T137/7784—Responsive to change in rate of fluid flow
    • Y10T137/7785—Valve closes in response to excessive flow
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7781—With separate connected fluid reactor surface
    • Y10T137/7793—With opening bias [e.g., pressure regulator]
    • Y10T137/7794—With relief valve
DE1989626863 1988-10-12 1989-10-11 Körperstützsystem Expired - Fee Related DE68926863T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/256,902 US4982466A (en) 1988-10-12 1988-10-12 Body support system
US07/278,191 US4986738A (en) 1988-10-12 1988-11-30 Airflow control system pump and housing

Publications (2)

Publication Number Publication Date
DE68926863D1 DE68926863D1 (de) 1996-08-22
DE68926863T2 true DE68926863T2 (de) 1997-02-27

Family

ID=43643173

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1989626863 Expired - Fee Related DE68926863T2 (de) 1988-10-12 1989-10-11 Körperstützsystem

Country Status (10)

Country Link
US (2) US4982466A (de)
EP (2) EP0440690A4 (de)
JP (1) JP2823289B2 (de)
AT (1) ATE140371T1 (de)
AU (2) AU626598B2 (de)
CA (3) CA2127722C (de)
DE (1) DE68926863T2 (de)
ES (2) ES2016524A6 (de)
MX (1) MX173145B (de)
WO (1) WO1990003750A1 (de)

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CA2000534A1 (en) 1990-04-12
ES2016524A6 (es) 1990-11-01
EP0606126B1 (de) 1996-07-17
MX173145B (es) 1994-02-02
CA2004338C (en) 1996-10-01
ATE140371T1 (de) 1996-08-15
US4982466A (en) 1991-01-08
WO1990003750A1 (en) 1990-04-19
JPH04501074A (ja) 1992-02-27
CA2004338A1 (en) 1990-05-31
AU626598B2 (en) 1992-08-06
US4986738A (en) 1991-01-22
CA2127722C (en) 1995-07-25
AU637954B2 (en) 1993-06-10
EP0440690A4 (en) 1992-03-11
CA2127722A1 (en) 1990-04-13
AU4409189A (en) 1990-05-01
AU2288092A (en) 1992-12-24
DE68926863D1 (de) 1996-08-22
EP0440690A1 (de) 1991-08-14
EP0606126A2 (de) 1994-07-13
JP2823289B2 (ja) 1998-11-11
ES2017048A6 (es) 1990-12-16
CA2000534C (en) 1994-12-13
EP0606126A3 (en) 1994-08-10

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