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US4517799A Expired / Lapsed US ⏱️ 0.0 years remaining

Heat utilizing system using internal combustion engine

Assignee: Misawa Homes Co Ltd
•
Filing: 1983-12-07
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Granted: 1985-05-21
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Expires: 2003-12-07
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Abstract

Abstract A system for utilizing exhaust heat and the like from an internal combustion engine, in which at least a part of the internal combustion engine is immersed in a heat transfer medium contained in a vessel provided at the top thereof with an opening. The internal combustion engine is supported by a member secured to the opening of the vessel, an anti-vibration member or members are interposed between the member and the vessel and/or an anti-vibration casing covering the support member is provided, thereby facilitating the anti-vibration and sound arresting measures.

Inventors

  • 👤 Tadashi Hanaoka
  • 👤 Hiroaki Umezu

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 23:38
CPC Classifications
F; F02; F02B; F02B75/00; F02B75/007; F02B63/00; F02B63/06; F02B63/04; F02B77/00; F02B77/11; F02B77/13; F02G; F02G5/00; Y; Y02; Y02B; Y02B30/00; Y02B30/52; Y02T; Y02T10/00; Y02T10/10; Y02T10/12

Claims Analysis

Total Claims: 23
Claim 1
Independent Claim 142 words
A heat utilizing system using an internal combustion engine, said heating system comprising: (a) a vessel containing a heat transfer medium therein and having a top, said vessel top being provided with an opening; (b) an internal combustion engine, at least part of said internal combustion engine being immersed in said heat transfer medium and being supported by a support member provided on said vessel opening; (c) an exhaust pipe for conducting hot exhaust gases away from said internal combustion engine, said exhaust pipe being immersed in said heat transfer medium and attached to said internal combustion engine, said heat transfer medium thus comprising a heat sink for waste heat from said internal combustion engine and for heat taken from said exhaust gases conducted away from said engine by said exhaust pipe; and (d) a component driven by said internal combustion engine.
Claim 2
Dependent Claim 142 words
A heat utilizing system using an internal combustion engine, said heating system comprising: (a) a vessel containing a heat transfer medium therein and having a top, said vessel top being provided with an opening; (b) an internal combustion engine, at least part of said internal combustion engine being immersed in said heat transfer medium and being supported by a support member provided on said vessel opening; (c) an exhaust pipe for conducting hot exhaust gases away from said internal combustion engine, said exhaust pipe being immersed in said heat transfer medium and attached to said internal combustion engine, said heat transfer medium thus comprising a heat sink for waste heat from said internal combustion engine and for heat taken from said exhaust gases conducted away from said engine by said exhaust pipe; and (d) a component driven by said internal combustion engine.
Claim 3
Dependent Claim 24 words
A heat utilizing system using an internal combustion engine as set forth in claim 1, wherein a generator is used as said driven component.
Claim 4
Dependent Claim 29 words
A heat utilizing system using an internal combustion engine as set forth in claim 2, wherein means for taking the heat transfer medium out of the vessel is provided.
Claim 5
Dependent Claim 27 words
A heat utilizing system using an internal combustion engine as set forth in claim 1, wherein said driven component is a coolant compressor of a heat pump.
Claim 6
Dependent Claim 35 words
A heat utilizing system using an internal combustion engine as set forth in claim 4, wherein said heat pump has a condenser coil, said coil being disposed in the heat transfer medium in said vessel.
Claim 7
Dependent Claim 34 words
A heat utilizing system using an internal combustion engine as set forth in claim 4, wherein a heat exchange coil for hot water feed is disposed in the heat transfer medium in said vessel.
Claim 8
Dependent Claim 56 words
A heat utilizing system using an internal combustion engine as set forth in claim 5, wherein said condenser coil of the heat pump is disposed in a lower portion of said vessel and a heat exchange coil for hot water feed is disposed in the heat transfer medium at a position upwardly of said condenser coil.
Claim 9
Dependent Claim 29 words
A heat utilizing system using an internal combustion engine as set forth in claim 4, wherein means for taking the heat transfer medium out of the vessel is provided.
Claim 10
Dependent Claim 169 words
A heat utilizing system using an internal combustion engine, said system comprising: (a) a vessel containing a heat transfer medium and having a top which is provided with an opening; (b) an internal combustion engine, at least a part of said internal combustion engine being immersed within said heat transfer medium, said internal combustion engine being supported by a support member which is provided on said vessel opening; (c) an exhaust pipe for conducting hot exhaust gases away from said internal combustion engine, said exhaust pipe being immersed in said heat transfer medium and attached to said internal combustion engine, wherein said heat transfer medium comprises a heat sink for waste heat from said internal combustion engine and for heat taken from said exhaust gases conducted away from said engine by said exhaust pipe; (d) a component driven by said internal combustion engine; and (e) a soundproof casing comprising means for covering at least a part of said supporting element for said internal combustion engine and said driven component.
Claim 11
Dependent Claim 169 words
A heat utilizing system using an internal combustion engine, said system comprising: (a) a vessel containing a heat transfer medium and having a top which is provided with an opening; (b) an internal combustion engine, at least a part of said internal combustion engine being immersed within said heat transfer medium, said internal combustion engine being supported by a support member which is provided on said vessel opening; (c) an exhaust pipe for conducting hot exhaust gases away from said internal combustion engine, said exhaust pipe being immersed in said heat transfer medium and attached to said internal combustion engine, wherein said heat transfer medium comprises a heat sink for waste heat from said internal combustion engine and for heat taken from said exhaust gases conducted away from said engine by said exhaust pipe; (d) a component driven by said internal combustion engine; and (e) a soundproof casing comprising means for covering at least a part of said supporting element for said internal combustion engine and said driven component.
Claim 12
Dependent Claim 48 words
A heat utilizing system using an internal combustion engine as set forth in claim 9 wherein said soundproof casing comprises a vibration control plate and at least one sound absorbing material adhesively attached to at least one of the inner and outer surfaces of said vibration control plate.
Claim 13
Dependent Claim 29 words
A heat utilizing system using an internal combustion engine as set forth in claim 10, wherein said sound absorbing material is made of a material having heat insulating properties.
Claim 14
Dependent Claim 25 words
A heat insulating system using an internal combustion engine as set forth in claim 9, wherein said soundproof casing is of a variable capacity type.
Claim 15
Dependent Claim 41 words
A heat utilizing system using an internal combustion engine as set forth in claim 9, wherein sound conditioning passageways for conditioning at least one of intake sounds and exhaust sounds from said internal combustion engine is provided in said soundproof casing.
Claim 16
Dependent Claim 24 words
A heat utilizing system using an internal combustion engine as set forth in claim 9, wherein said soundproof casing has a double wall construction.
Claim 17
Dependent Claim 103 words
A heat utilizing system using an internal combustion engine, comprising: a vessel containing therein a heat transfer medium and provided at the top thereof with an opening; an internal combustion engine, at least a part of which is immersed in said heat transfer medium, supported by a member provided on the opening of said vessel; a component driven by said internal combustion engine; a soundproof casing for covering at least a part of the supporting portion for said internal combustion engine and said driven component; and anti-vibration members interposed between said internal combustion engine and a member for supporting said internal combustion engine.
Claim 18
Dependent Claim 103 words
A heat utilizing system using an internal combustion engine, comprising: a vessel containing therein a heat transfer medium and provided at the top thereof with an opening; an internal combustion engine, at least a part of which is immersed in said heat transfer medium, supported by a member provided on the opening of said vessel; a component driven by said internal combustion engine; a soundproof casing for covering at least a part of the supporting portion for said internal combustion engine and said driven component; and anti-vibration members interposed between said internal combustion engine and a member for supporting said internal combustion engine.
Claim 19
Dependent Claim 40 words
A heat utilizing system using an internal combustion engine as set forth in claim 15, wherein lip seals are provided at portions of a member supporting said internal combustion engine, through which an intake pipe and an exhaust pipe extend.
Claim 20
Dependent Claim 41 words
A heat utilizing system using an internal combustion engine as set forth in claim 15, wherein sound conditioning passageways for conditioning at least one of intake sounds and exhaust sounds from said internal combustion engine is provided in said soundproof casing.
Claim 21
Dependent Claim 65 words
A heat utilizing system using an internal combustion engine as set forth in claim 15, wherein a ring-shaped support ring is provided at the opening of said vessel, said internal combustion engine and said driven component are supported by said support ring, and a soundproof casing is provided on said support ring in a manner to cover said internal combustion engine and said driven component.
Claim 22
Dependent Claim 46 words
A heat utilizing system using an internal combustion engine as set forth in claim 16, wherein a ring-shaped anti-vibration member provided over the total circumference of said opening and differing from said anti-vibration members are interposed between said support ring and the opening of said vessel.
Claim 23
Dependent Claim 31 words
A heat utilizing system using an internal combustion engine as set forth in claim 15, wherein said internal combustion engine is provided thereon with a float for giving a buoyancy thereto.

References Cited (Backward Citations)

US2162245A Cited
US2375157A Cited
US2597745A Cited
US2696085A Cited
DE1009203B Cited
GB880093A Cited
DE2548076A1 Cited
DE2804895A1 Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1988-05-20 1988-11-19 1989-05-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1992-05-20 1992-11-19 1993-05-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1996-05-20 1996-11-19 1997-05-21 $7700.00 Window Closed / Lapsed

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