Koninklijke Philips Corporation N.V.

Ajit Pal Singh

Asok Kumar Kasevan

Yen Leng Pang

Tamilselvan Thirumazhisai Sankaralingam

Mohankumar Valiyambath Krishnan

Boon Khian Ching

Roel Alexander Rethmeier

Hock Soon Tiew

Peng Chau Quah

Barry Eng Keong Tay

Mo Tan Ng

Boon Tek Tn

A boiler having a shell enclosing a space and an inlet for letting water into the shell space. The shell space has two separate sections, wherein a first section is located such as to receive a supply of fresh water to the boiler and wherein a second section is located such as to receive water from the first section when overflow of the first section takes place under the influence of a continuous supply of fresh water. A steam generating process takes place in the second section. Due to the fact that the second section is only indirectly filled with water, it is possible to have an undisturbed process. In particular, the water may be heated in the first section before reaching the second section. The first section may for example include an inner space of a container which is arranged inside the shell, for example.

Boiler having a section for preheating water

A steam discharge unit () comprises a chamber () for accommodating a flow of a water-steam mixture and heating the water-steam mixture, an inlet () to the chamber (), and an outlet () from the chamber (). In order to avoid water droplets from exiting the chamber () through the outlet () along with a flow of steam, special measures are taken, which comprise a barrier () arranged inside the chamber (), in a flow path of a water-steam mixture from the inlet () to the outlet (), and a hydrophobic surface () arranged preferably close to the outlet (). In case water droplets remain inside the chamber () and tend to move towards the outlet (), an actual release of the water droplets from the chamber () cannot take place by virtue of the presence of the barrier () and the hydrophobic surface () as mentioned.

Steam discharge unit for use in a soleplate of a steam iron

A boiler () for heating water to steam comprises a boiler housing () having a bottom wall (), a top wall () and a circumferential wall () extending between these walls (). When the boiler () is mounted in a steam generating device for generating steam and supplying steam to an appliance such as a steam iron (), the boiler () is given an inclined orientation. In a lower portion () of the top wall () of the boiler housing (), an inlet opening () for letting in water to a boiler space () which is enclosed by the boiler housing () is arranged. When water is supplied through the inlet opening (), the water lands on a lower zone () of the circumferential wall () and flows further in a downward direction, along the circumferential wall (). As a result, the water is pre-heated when it reaches the water which is already present in the boiler space (), and there is no danger of the steam production getting interrupted.

Boiler for use in a steam generating device

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Singapore, Singapore

Ajit Pal Singh