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Rinnai Corporation patents


Recent patent applications related to Rinnai Corporation. Rinnai Corporation is listed as an Agent/Assignee. Note: Rinnai Corporation may have other listings under different names/spellings. We're not affiliated with Rinnai Corporation, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "R" | Rinnai Corporation-related inventors


Indoor installation type combustion apparatus

In an indoor installation type combustion apparatus in which an upper surface of the exterior case has formed therein: a cylindrical exhaust connection port which is in communication with an exhaust duct and which is connectable to an exhaust pipe; a first cylindrical air supply connection port which is connectable... Rinnai Corporation

Combustion apparatus

The present invention provides a combustion apparatus capable of obtaining a smaller heating value than usual and capable of reducing the amount of a mixed gas without causing a change in the mixture ratio of air and a fuel gas. A shutter member 4 is provided, which narrows the flow... Rinnai Corporation

Heat medium circulation device

Provided is a heat medium circulation device with a simple structure, capable of reducing power consumption in performing an anti-freezing treatment. A first heat medium circuit 2 and a second heat medium circuit 3 are connected via a connector 5. An anti-freezing control unit 42 activates the first pump 22... Rinnai Corporation

Heat source apparatus

Upper and lower water tubes constituting a part of a water jacket are disposed on a side plate on upper and lower sides of the mounting position of the electrode component. In case the upper and lower water tubes are disposed on an inside surface of the side plate, upper... Rinnai Corporation

Heat source apparatus

Upper and lower water tubes constituting a part of a water jacket are disposed on the side plate on upper and lower sides of the position of mounting the electrode component. In case the upper and lower water tubes are disposed on an inside surface of the side plate, the... Rinnai Corporation

Exhaust duct

[Solving Means] The natural frequencies in an upper wall part (431) and the lower wall part (432) of the horizontal duct section (43) are varied from each other. For example, the lower wall part (432) is fixed to a burner body (11) in order to vary the natural frequencies of... Rinnai Corporation

Turbulence member and heat exchanger using same, and water heater

A turbulence member is made of a flat plate member configured to be inserted into a heat-transfer tube having a substantially elliptical cross-sectional shape. The flat plate member is a generate turbulence in a fluid flowing inside the heat-transfer tube by a plurality of projected pieces projected on both front... Rinnai Corporation

Combustion apparatus

A combustion apparatus includes a burner (11), a heat exchanger (12) accommodated in a casing (20), an exhaust passage (22B) provided to one side surface side of the casing (20), and an exhaust resistance member (5) having a plurality of ventilation ports (50) through which combustion exhaust gas passes, wherein... Rinnai Corporation

Turbulence generator

A turbulence generator includes a flat plate member (1) having a plurality of through holes (10a), (10b), and pairs of projecting pieces (11, 12) and (13, 14) projecting respectively from upstream-side edges and downstream-side edges of the through holes (10a), (10b), wherein the pairs of projecting pieces (11, 12) and... Rinnai Corporation

Premixing apparatus

When the butterfly valve is rotated from the closed posture into the opened posture, a driving frequency of the stepping motor is made higher, until the butterfly valve has rotated from the closed posture toward the opening side by a predetermined set angle, than the driving frequency during the subsequent... Rinnai Corporation

Premixing apparatus

A premixing apparatus has: a butterfly valve and a changeover valve for changing over, between high and low, a ventilation resistance in an air supply passage and in a gas supply passage, respectively; and an interlocking mechanism to open or close the changeover valve in interlocking with the opening or... Rinnai Corporation

Premixing apparatus

A premixing apparatus in which a downstream end of a gas supply passage having interposed therein a flow control valve is connected to a gas suction section disposed in an air supply passage on an upstream side of a fan. The premixing apparatus has: a butterfly valve as an air... Rinnai Corporation

Combustion type water heater

The present description discloses a combustion type water heater that heats water by burning fuel. The combustion type water heater includes: a burner that generates combustion gas by burning the fuel; a heat exchanger that exchanges heat between the water passing through on an inside of the heat exchanger and... Rinnai Corporation

Combustion apparatus

The present application discloses a combustion apparatus including: an air supply/exhaust port formed such that an air supply passage surrounds the outside of an exhaust passage; and an air supply port in which an air supply passage is formed. This combustion apparatus is configured such that in a case where... Rinnai Corporation








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This listing is an abstract for educational and research purposes is only meant as a recent sample of applications filed, not a comprehensive history. Freshpatents.com is not affiliated or associated with Rinnai Corporation in any way and there may be associated servicemarks. This data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Rinnai Corporation with additional patents listed. Browse our Agent directory for other possible listings. Page by FreshPatents.com

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